921 results match your criteria Pilomatrixoma


Primary mucinous carcinoma of the skin arising from the upper eyelid: A case report and literature review.

JPRAS Open 2020 Sep 18;25:18-23. Epub 2020 May 18.

Nagaoka Red Cross Hospital, Department of Plastic Surgery, Senshu-2 297-1, Nagaoka City, Niigata, 9402085, Japan.

Primary mucinous carcinoma of the skin (PMCS) is a rare malignant neoplasm of the sweat glands that has an incidence of 1 per 150,000 population. Because of the lack of typical characteristics, it is often misdiagnosed as an epidermoid cyst, pilomatrixoma, or chalazion before resection, with subsequent enucleation performed unintentionally. We present a case of a 51-year-old patient with PMCS in the upper eyelid that was successfully treated at our hospital. Read More

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http://dx.doi.org/10.1016/j.jpra.2020.04.002DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7266996PMC
September 2020

Ossifying Pilomatrixoma of the Eyelid.

Ophthalmic Plast Reconstr Surg 2020 Apr 16. Epub 2020 Apr 16.

Departments of Ophthalmology.

Pilomatrixoma, an uncommon, usually benign cutaneous appendageal tumor, shows differentiation toward the hair follicle matrix cell. It undergoes various histopathologic stages, early on displaying epithelial and shadow cells along with granulomatous inflammation. In later stages, illustrated by this unusual case, epithelial cells disappear and are replaced by calcification and ossification. Read More

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http://dx.doi.org/10.1097/IOP.0000000000001674DOI Listing

Are clinicians successful in diagnosing cutaneous adnexal tumors? a retrospective, clinicopathological study.

Turk J Med Sci 2020 Apr 14. Epub 2020 Apr 14.

Background And Aim: Cutaneous adnexal tumors (CAT) are rare tumors originating from the adnexal epithelial parts of the skin. Due to its clinical and histopathological characteristics comparable with other diseases, clinicians and pathologists experience difficulties in its diagnosis. We aimed to reveal the clinical and histopathological characteristics of the retrospectively screened cases and to compare the pre-diagnoses and histopathological diagnoses of clinicians. Read More

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http://dx.doi.org/10.3906/sag-2002-126DOI Listing

Pilomatrix carcinoma of the lacrimal caruncle: a case report.

Arq Bras Oftalmol 2020 Mar-Apr;83(2):153-156

Ocular Oncology Service, Wills Eye Hospital, Thomas Jefferson University, Philadelphia, PA, USA.

A 45-year-old man presented with a 3-month history of a mass located in the caruncle of his right eye. An incisional biopsy had been performed one month prior by another specialist, and the histopathology report showed basal cell carcinoma. The mass was completely excised with a 2 mm safety margin, and the large conjunctival defect was reconstructed with one sheet of amniotic membrane allograft. Read More

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http://dx.doi.org/10.5935/0004-2749.20200029DOI Listing

Mutation analysis of multiple pilomatricomas in a patient with myotonic dystrophy type 1 suggests a DM1-associated hypermutation phenotype.

PLoS One 2020 10;15(3):e0230003. Epub 2020 Mar 10.

Institute of Pathology, RWTH Aachen University, Aachen, Germany.

Myotonic dystrophy type 1 (DM1) is an inherited neuromuscular disease which results from an expansion of repetitive DNA elements within the 3' untranslated region of the DMPK gene. Some patients develop multiple pilomatricomas as well as malignant tumors in other tissues. Mutations of the catenin-β gene (CTNNB1) could be demonstrated in most non-syndromic pilomatricomas. Read More

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http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0230003PLOS
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7064234PMC

KBG syndrome: Common and uncommon clinical features based on 31 new patients.

Am J Med Genet A 2020 05 3;182(5):1073-1083. Epub 2020 Mar 3.

Laboratory of Medical Genetics, Medical Genetics, Rare Diseases, Pediatric Cardiology, and Endocrinology Units, Scientific Rectorate, Bambino Gesù Pediatric Hospital, IRCCS, Rome, Italy.

KBG syndrome (MIM #148050) is an autosomal dominant disorder characterized by developmental delay, intellectual disability, distinct craniofacial anomalies, macrodontia of permanent upper central incisors, skeletal abnormalities, and short stature. This study describes clinical features of 28 patients, confirmed by molecular testing of ANKRD11 gene, and three patients with 16q24 deletion encompassing ANKRD11 gene, diagnosed in a single center. Common clinical features are reported, together with uncommon findings, clinical expression in the first years of age, distinctive associations, and familial recurrences. Read More

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http://dx.doi.org/10.1002/ajmg.a.61524DOI Listing

Pilomatrix Carcinoma: A Rare Hair Cell Tumor.

Am Surg 2020 Jan;86(1):e38-e39

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January 2020

Pilomatrixoma of the right thigh: Sonographic-pathologic correlation in a young man.

Radiol Case Rep 2020 Mar 25;15(3):230-233. Epub 2019 Dec 25.

Department of Human Pathology of the Adult, the Child and the Adolescent, Section of Plastic Surgery, University of Messina, Messina, Italy.

Pilomatrixoma, also known as calcifying epithelioma of Malherbe, is a histological type of benign subcutaneous tumor arising from the cutaneous adnexa. We present our experience and the characteristic findings of a pilomatrixoma of the right thigh in a young healthy man. The lesion had grown slowly in size over the past year and this was the reason for referral to the Department of Plastic Surgery. Read More

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http://dx.doi.org/10.1016/j.radcr.2019.11.007DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7010961PMC

Pilomatrixoma of the head and neck: Typical presentation of a rare lesion.

Ultrasound 2020 Feb 6;28(1):51-53. Epub 2019 Aug 6.

Royal Wolverhampton Hospitals NHS Trust, Wolverhampton, UK.

Pilomatrixomas are benign tumours of primitive hair follicles, usually presenting as painless lumps in the head and neck region in children. As they are uncommon, they are often misdiagnosed clinically. We discuss a case of a five-year-old boy presenting with a five-month history of a pre-auricular lump. Read More

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http://dx.doi.org/10.1177/1742271X19867113DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6987501PMC
February 2020

An Unusual Tumor of the Ear: Pilomatricoma in a Middle-Aged Woman.

Case Rep Otolaryngol 2019 14;2019:4975216. Epub 2019 Dec 14.

Department of Otolaryngology, Head and Neck Surgery, Graduate School of Medical Sciences, Nagoya City University, Nagoya 467-8601, Japan.

Pilomatricoma is a benign tumor arising from hair follicle matrix cells, presenting as an asymptomatic, firm, slow growing, mobile, superficial skin nodule typically in children. This lesion with an atypical clinical presentation is frequently misdiagnosed as other skin lesions and even as malignant entities regardless of detailed cytological, imaging examinations; the site of occurrence is one of the keys to accurate diagnosis. Here, we present a case of pilomatrixoma involving the ear, the cymba conchae of the auricle, which is an extremely rare site for the lesion in a 52-year-old woman. Read More

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http://dx.doi.org/10.1155/2019/4975216DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6931023PMC
December 2019

Pilomatrixoma, a Rare Mimicker of Male Breast Cancer.

J Clin Imaging Sci 2019 6;9:46. Epub 2019 Nov 6.

Departments of Radiology, Medical University of South Carolina, Charleston, South Carolina, USA.

Pilomatrixoma or calcifying epithelioma of Malherbe is a benign skin tumor arising from the hair follicle; breast occurrence is considered a rarity. Clinically presenting as a palpable abnormality and with both benign and malignant mammographic and sonographic features, it can be easily misdiagnosed as a breast neoplasm. We report a very rare case of pilomatrixoma of the male breast in a 36-year-old male presenting with a firm, superficial nodule in the upper outer quadrant. Read More

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http://dx.doi.org/10.25259/JCIS_64_2019DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6884983PMC
November 2019
5 Reads

Pilomatrix carcinoma of the right postauricular region: A case report and literature review.

Int J Surg Case Rep 2019 6;65:284-287. Epub 2019 Nov 6.

Newark Beth Israel Medical Center, 201 Lyons Ave, Newark, NJ 07112, USA. Electronic address:

Introduction: Pilomatrix carcinoma is a rare aggressive tumor with a high rate of local recurrence after surgical excision. Diagnosis is made by histopathology and when discovered, wide local excision has been shown to have the best results.

Presentation Of Case: We report a case of a 74-year-old male incidentally found to have a large right postauricular mass and regional lymphadenopathy. Read More

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http://dx.doi.org/10.1016/j.ijscr.2019.10.087DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6872857PMC
November 2019

Pilomatrixoma: A Rare Cause of Midline Neck Swelling.

J Coll Physicians Surg Pak 2019 Nov;29(11):1106-1107

Department of Surgery, Al Iman General Hospital, Riyadh, Saudi Arabia.

Pilomatrixoma is a uncommon benign neoplasm of hair matrix origin, with usual occurrence in the head and neck region. It has bimodal age of occurrence, first peek is seen in children and the second in elderly in sixth decade. In this case, we report a case of a young boy presenting with midline neck swelling with differential diagnosis of sebaceous cyst, thyroglossal cyst or dermoid cyst. Read More

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http://dx.doi.org/10.29271/jcpsp.2019.11.1106DOI Listing
November 2019

Pink Lobulated Scalp Tumor: Answer.

Am J Dermatopathol 2019 Nov;41(11):864

Department of Dermatology, Federal University of Amazonas, Manaus, AM, Brazil.

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http://dx.doi.org/10.1097/DAD.0000000000001224DOI Listing
November 2019

Superficial variant of pilomatricoma, so-called pilomatricomal horn.

J Cutan Pathol 2019 Nov;46(11):801-804

Department of Pathology, Acıbadem University, İstanbul, Turkey.

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http://dx.doi.org/10.1111/cup.13495DOI Listing
November 2019

Syndromes associated with multiple pilomatricomas: When should clinicians be concerned?

Pediatr Dermatol 2020 Jan 16;37(1):9-17. Epub 2019 Oct 16.

Board Certified Dermatologist, Aurora Health Care, Milwaukee, Wisconsin.

Background: Multiple pilomatricomas have been linked to various syndromes. However, these associations are poorly defined, leaving practitioners conflicted on management of these patients.

Objective: To perform a comprehensive review to clarify the strength of these relationships and identify which patients may benefit from additional screening and/or genetic screening. Read More

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https://onlinelibrary.wiley.com/doi/abs/10.1111/pde.13947
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http://dx.doi.org/10.1111/pde.13947DOI Listing
January 2020
1 Read

Pilomatrixomas in children: Report of 149 cases. A retrospective study at two children's hospitals.

Arch Argent Pediatr 2019 10;117(5):340-343

Servicio de Dermatología Pediátrica del Hospital de Niños Pedro de Elizalde, Ciudad Autónoma de Buenos Aires, Argentina.

A pilomatrixoma is a benign skin tumor common in children, which develops from the matrix cells of hair follicles. It presents as a nodule or tumor of approximately 0.5-3 cm in size, with calcium-like consistency, faceted edges, and blue erythematous overlying skin. Read More

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http://dx.doi.org/10.5546/aap.2019.eng.340DOI Listing
October 2019
2 Reads

Pilomatrixoma of the upper eyelid in a 10-month-old baby.

Int J Ophthalmol 2019 18;12(9):1510-1513. Epub 2019 Sep 18.

Department of Ophthalmology, Pusan National University Hospital, Busan 49241, Korea.

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http://dx.doi.org/10.18240/ijo.2019.09.23DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6739568PMC
September 2019
2 Reads

Pilomatrixoma arising from maxillary sinus - First of its kind.

South Asian J Cancer 2019 Jul-Sep;8(3):197

Department of ENT and HNS, SCB MCH, Cuttack, Odisha, India.

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http://dx.doi.org/10.4103/sajc.sajc_54_19DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6699223PMC
September 2019
1 Read

Subcutaneous dermoid cysts on the eyebrow and neck.

Pediatr Dermatol 2019 Nov 14;36(6):999-1001. Epub 2019 Aug 14.

Department of Dermatology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan.

We report a case of dermoid cysts on the right lateral eyebrow and anterior neck. Multiple concurrent dermoid cysts, as in the present case, are very rare. The differential diagnosis of dermoid cyst includes epidermoid (epidermal inclusion) cyst, trichilemmal cyst, pilomatrixoma, lymphatic malformation, and lipoma. Read More

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http://dx.doi.org/10.1111/pde.13976DOI Listing
November 2019
10 Reads

Cutaneous Pilomatrical Carcinosarcoma in a Dog.

Authors:
D R Rissi

J Comp Pathol 2019 Jul 12;170:22-25. Epub 2019 Jun 12.

Department of Pathology and Athens Veterinary Diagnostic Laboratory, University of Georgia College of Veterinary Medicine, Athens, Georgia, USA. Electronic address:

Malignant pilomatricomas are uncommon cutaneous neoplasms in veterinary and human medicine. Pilomatrical carcinosarcoma is a rare subset of malignant pilomatricoma that has been described in man. This article reports a neoplasm with morphological features of pilomatrical carcinosarcoma in a dog. Read More

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http://dx.doi.org/10.1016/j.jcpa.2019.05.003DOI Listing

Pilomatrixoma of the ocular adnexa: report of 3 cases with variations in the histopathological findings.

Can J Ophthalmol 2019 08 16;54(4):413-416. Epub 2019 Jan 16.

Departments of Ophthalmology, The Ottawa Hospital and University of Ottawa, Ottawa, Ont.; Departments of Ophthalmology, The Children's Hospital of Eastern Ontario and University of Ottawa, Ottawa, Ont.

Objective: To report the clinical and variations in the histopathological features of pilomatrixoma of the ocular adnexa in 3 young individuals.

Design: A retrospective case series was performed with clinical, histological, and immunohistochemical analysis.

Participants: Case 1 is an 18-year-old male who presented with a reddish-blue swelling under the left eyebrow. Read More

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http://dx.doi.org/10.1016/j.jcjo.2018.10.015DOI Listing
August 2019
2 Reads
1.299 Impact Factor

Response to Pilomatricoma (calcifying epithelioma): MDCT and MR imaging findings in 31 patients with radiological-pathological correlation.

Eur J Radiol 2019 09 4;118:293. Epub 2019 Jul 4.

Department of Radiology, Gifu University School of Medicine, 1-1 Yanagido, Gifu 501-1194, Japan.

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http://dx.doi.org/10.1016/j.ejrad.2019.07.003DOI Listing
September 2019

A skin tumor from an orthopedic oncology perspective: Pilomatrixoma in extremities (11 years experience with 108 cases).

Dermatol Ther 2019 09 2;32(5):e13004. Epub 2019 Jul 2.

Kartal Dr. Lütfi Kırdar Research and Training Hospital, Department of Orthopaedics and Traumatology, University of Health Sciences, İstanbul, Turkey.

Pilomatrixoma, also known as calcifying epithelioma of Malherbe, is a benign skin neoplasm originating from hair follicle matrix cells. Pilomatrixoma is a common skin neoplasm that is often misdiagnosed as another type of skin condition. The aim of our study is to review 11 years' worth of experience in examining clinical and histopathological presentations, imaging findings, management approaches, and treatment outcomes of pilomatrixoma at a tertiary hospital. Read More

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http://dx.doi.org/10.1111/dth.13004DOI Listing
September 2019
4 Reads

Pilomatricoma of the male breast.

Breast J 2019 09 6;25(5):1012-1013. Epub 2019 Jun 6.

Department of Pathology and Laboratory Medicine, Rhode Island Hospital, Alpert Medical School of Brown University, Providence, Rhode Island.

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http://dx.doi.org/10.1111/tbj.13406DOI Listing
September 2019
1 Read

Firm nodule in the scalp

Aust J Gen Pract 2019 05;48(5):294-297

MD, Dermatologist, Department of Dermatology, Trás-os-Montes e Alto Douro Hospital Center, Vila Real, Portugal

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http://dx.doi.org/10.31128/AJGP-10-18-4721DOI Listing
May 2019
18 Reads

Preauricular Pilomatricoma Manifesting as an Aggressive Mass.

Oman Med J 2019 Mar;34(2):160-163

Department of Pathology, Tengku Ampuan Rahimah Hospital, Selangor, Malaysia.

Pilomatricoma is an uncommon benign skin tumor arising from the hair follicle. It usually occurs in the head and neck region and is typically found in the pediatric age group particularly girls. The tumor has inconsistent clinical features and may manifest as a small superficial lesion with benign features or a large and seemingly aggressive lesion with local invasion. Read More

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http://dx.doi.org/10.5001/omj.2019.29DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6425055PMC
March 2019
6 Reads

Neurosis and true dermatosis: a case of ossified pilomatricoma developing within a self-inflicted ulcer.

Dermatol Online J 2019 Feb 15;25(2). Epub 2019 Feb 15.

Texas A&M Health Science Center College of Medicine, Bryan, Texas Division of Dermatology, Baylor University Medical Center, Dallas, Texas.

Clinicians have a tendency to dismiss patients with psychiatric illness like skin picking disorder without assessing completely for organic disease. Patients with psychocutaneous disease have the potential to develop true dermatopathology and should always be examined thoroughly. We describe a case of skin picking disorder with underlying pilomatricoma. Read More

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February 2019
24 Reads

Expression of Connexin 43 (Cx43) in Benign Cutaneous Tumors With Follicular Differentiation.

Am J Dermatopathol 2019 Nov;41(11):810-818

CellCOM-SB Research Group Department, Institute for Biomedical Research of A Coruña (INIBIC), University of A Coruña (UDC), A Coruña, Spain.

Introduction: Benign cutaneous tumors with follicular differentiation are alleged to differentiate toward parts of the hair follicle. Connexin 43 (Cx43) is a gap junction protein, the tumoral role of which has been investigated in several types of tumors.

Objective: To study the pattern of expression of Cx43 in benign cutaneous tumors with follicular differentiation and to compare it with that shown by their alleged anatomical counterparts of the hair follicle. Read More

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http://Insights.ovid.com/crossref?an=00000372-900000000-9818
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http://dx.doi.org/10.1097/DAD.0000000000001395DOI Listing
November 2019
28 Reads

Multiple pilomatrixomas as a presentation of myotonic dystrophy.

Clin Exp Dermatol 2019 06 28;44(4):e149-e150. Epub 2019 Feb 28.

Department of Dermatology, Royal London Hospital, London E1 1BB, UK.

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http://doi.wiley.com/10.1111/ced.13946
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http://dx.doi.org/10.1111/ced.13946DOI Listing
June 2019
5 Reads

Giant pilomatricoma on the upper back.

Indian J Dermatol Venereol Leprol 2020 Jan-Feb;86(1):55-56

Department of Pathology, University College of Medical Sciences and GTB Hospital, New Delhi, India.

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http://dx.doi.org/10.4103/ijdvl.IJDVL_352_18DOI Listing
July 2020
1.325 Impact Factor

Patient Perspectives: What is a pilomatricoma?

Authors:

Pediatr Dermatol 2019 01;36(1):143

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http://doi.wiley.com/10.1111/pde.13787
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http://dx.doi.org/10.1111/pde.13787DOI Listing
January 2019
10 Reads

A tale of subcutaneous nodules, broad thumbs, supernumerary teeth, and intellectual disability in a patient.

Int J Dermatol 2019 Jul 8;58(7):795-796. Epub 2019 Jan 8.

Dermatology Department, Research Unit "Genodermatoses and cancers" LR12SP03, Habib Thameur Hospital, Tunis, Tunisia.

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http://dx.doi.org/10.1111/ijd.14379DOI Listing
July 2019
4 Reads

Malignant pilomatricoma of the cheek in an infant.

Arch Craniofac Surg 2018 Dec 27;19(4):283-286. Epub 2018 Dec 27.

Department of Plastic and Reconstructive Surgery, Wonkwang University Hospital, Iksan, Korea.

Malignant pilomatricoma (pilomatrical carcinoma) is a rare, locally occurring malignant tumor with a high rate of recurrence in the case of incomplete excision. This tumor has two characteristics. First, recurrences of pilomatrical carcinoma are common; second, distant metastasis is rare, but if it occurs, it is very fatal. Read More

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http://dx.doi.org/10.7181/acfs.2018.02138DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6325331PMC
December 2018
10 Reads

Osteoid Osteoma of the Mandible - Clinical and Histological Findings.

Anticancer Res 2019 Jan;39(1):291-296

Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.

Background/aim: Osteoid osteoma (OO) is a benign tumor characterized by the excessive formation of unmineralized bone matrix. It is mostly located in the long bones of the lower extremities or the spine, but can also occur in atypical locations.

Patients And Methods: Here we report on a rare case of OO in the mandible in an 18-year-old male patient with a simultaneous finding of a pilomatrixoma in the parietal region. Read More

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http://dx.doi.org/10.21873/anticanres.13110DOI Listing
January 2019
14 Reads

Pilomatrical carcinosarcoma of the temple: A case report.

Authors:
Daisuke Mori

J Cutan Pathol 2019 Apr 22;46(4):267-270. Epub 2019 Jan 22.

Department of Pathology, Saga-ken Medical Centre Koseikan, Saga, Japan.

Pilomatrical carcinosarcoma is a very rare entity, with only six cases reported until now. This report describes the case of a 100-year-old woman with a mass on the left temple that had existed for several decades but had recently grown in size. Histology showed an asymmetric lesion composed of basaloid cells, spindle cells, and "shadow" or "ghost" cells. Read More

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https://onlinelibrary.wiley.com/doi/abs/10.1111/cup.13407
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http://dx.doi.org/10.1111/cup.13407DOI Listing
April 2019
15 Reads

A patient with pilomatricoma in the parotid region: case report and review of the literature.

Rom J Morphol Embryol 2018 ;59(3):917-926

Department of Histology, University of Medicine and Pharmacy of Craiova, Romania;

Pilomatricoma is a benign skin tumor originating from the matrix cells of the hair follicles. Sometimes, its diagnosis can be difficult, especially in the preauricular region, where in the differential diagnosis, in addition to other dermal and subcutaneous masses, primary and secondary parotid gland tumor lesions must be also considered. A 34-year-old female was referred to our Institution with a right preauricular swelling over 12 months, which enlarged in the last two months. Read More

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January 2019
39 Reads

Cyto-Histopathological Correlation of Skin Adnexal Tumors: A Short Series.

J Cytol 2018 Oct-Dec;35(4):204-207

Department of Pathology, ESI Hospital, New Delhi, India.

Background: Skin adnexal neoplasms are relatively rare and thus uncommonly encountered in routine pathology practice.

Aims: The present study was conducted with the aim to diagnose various skin adnexal tumors on fine-needle aspiration cytology (FNAC) followed by confirmation on histopathology and immunohistochemistry of the excised tumor.

Materials And Methods: A total of 11 cases of superficial nodular swellings of the skin were studied over a period of 2 years from 2015 to 2016. Read More

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http://dx.doi.org/10.4103/JOC.JOC_63_17DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6210812PMC
December 2018
18 Reads

Pilomatrixoma Masquerading as Giant Chalazion.

Ophthalmology 2018 12;125(12):1936

Wills Eye Hospital, Philadelphia, Pennsylvania.

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http://dx.doi.org/10.1016/j.ophtha.2018.09.012DOI Listing
December 2018
9 Reads

Aggressive metastatic malignant pilomatrixoma followed by F-FDG PET/CT.

Rev Esp Med Nucl Imagen Mol 2019 Jul - Aug;38(4):254-255. Epub 2018 Nov 10.

Department of Pathology, Baskent University Faculty of Medicine, Adana Dr. TurgutNoyan Teaching and Medical Research Center, Adana, Turquía.

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https://linkinghub.elsevier.com/retrieve/pii/S2253654X183011
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http://dx.doi.org/10.1016/j.remn.2018.07.002DOI Listing
May 2020
13 Reads

Multiple Pilomatricomas: A Retrospective Study and Literature Review.

Am J Dermatopathol 2019 Apr;41(4):293-295

Pathology, Pontevedra University Hospital, EOXI Pontevedra-Salnés, Pontevedra, Spain.

Pilomatricoma is usually a single lesion. However, some patients present with more than one, a fact that has been reported in association with several systemic diseases. The aim of this analysis is to determine the prevalence of multiple pilomatricomas (MP) in our institution as well as to describe their clinical features and associated comorbidities. Read More

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http://dx.doi.org/10.1097/DAD.0000000000001296DOI Listing
April 2019
38 Reads

Ultrasound-guided fine-needle aspiration biopsy in skin lesions.

Skin Res Technol 2019 May 25;25(3):399-401. Epub 2018 Oct 25.

Dermatology Service, Hospital Universitario Puerta de Hierro Majadahonda, Madrid, Spain.

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http://dx.doi.org/10.1111/srt.12647DOI Listing
May 2019
1 Read

A new case of the pilomatrixoma rare in the preauricular region and review of series of cases.

Oral Maxillofac Surg 2018 Dec 3;22(4):483-488. Epub 2018 Oct 3.

Endodontics, School of Dentistry, São Paulo State University (Unesp), Araçatuba, SP, 16015-050, Brazil.

Pilomatrixoma is considered a rare benign tumor arising from the hair follicle, most common in the head and neck region, but it is rarely diagnosed on a clinical basis. This report describes a new case of giant pilomatrixoma in a 36-year-old female patient. The nodule was localized in the preauricular area on the right side, appearing as a slow-growing, fixed, painless, with a hardened consistency, unusual giant (4. Read More

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http://link.springer.com/10.1007/s10006-018-0724-8
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http://dx.doi.org/10.1007/s10006-018-0724-8DOI Listing
December 2018
41 Reads

I Have a Bump.

J Pediatr Ophthalmol Strabismus 2018 Sep;55(5):284

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http://dx.doi.org/10.3928/01913913-20180830-02DOI Listing
September 2018
6 Reads

Dermoscopy of Adnexal Tumors.

Dermatol Clin 2018 Oct 16;36(4):397-412. Epub 2018 Aug 16.

Dermatology Department, Hospital General Universitario de Alicante, ISABIAL, C/Maestro Alonso 109, 03010 Alicante, Spain.

Cutaneous adnexal tumors include lesions with apocrine, eccrine, follicular, sebaceous, and mixed differentiation. Most are benign and sporadic, although malignant forms are occasionally observed and some cases develop in the setting of inherited syndromes. These tumors often cause immense diagnostic difficulty. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S07338635183107
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http://dx.doi.org/10.1016/j.det.2018.05.007DOI Listing
October 2018
67 Reads

An unusual case of melanocytic matricoma in a young pregnant woman.

Australas J Dermatol 2019 May 5;60(2):140-141. Epub 2018 Sep 5.

Department of Dermatology, Shanghai First People's Hospital, Shanghai Jiaotong University, Shanghai, China.

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http://dx.doi.org/10.1111/ajd.12917DOI Listing
May 2019
22 Reads

Paediatric neck ultrasonography: a pictorial essay.

J Ultrasound 2019 Jun 5;22(2):215-226. Epub 2018 Sep 5.

Paediatric Radiology Department, "Federico II" University Hospital, Naples, Italy.

The neck structures are located very superficially and are therefore easy to explore by ultrasound examination. Ultrasonography is crucial for the detection of neck pathologies in children. High-frequency probes (10-15 MHz) are used for the ultrasound examination on the patient lying in supine decubitus and with their neck stretched out. Read More

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http://dx.doi.org/10.1007/s40477-018-0317-2DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6531580PMC
June 2019
7 Reads

An immunohistochemical approach to detect oncogenic CTNNB1 mutations in primary neoplastic tissues.

Lab Invest 2019 01 3;99(1):128-137. Epub 2018 Sep 3.

Departments of Internal Medicine, Human Genetics, and Pathology, University of Michigan Medical School, Ann Arbor, MI, 48109, USA.

The Wnt/β-catenin signaling pathway is dysregulated in different types of neoplasms including colorectal cancer (CRC). Aberrant activation of this signaling pathway is a key early event in the development of colorectal neoplasms, and is mainly caused by loss of function mutations in Adenomatous Polyposis Coli (APC), and less frequently by β-catenin stabilization mutations via missense or interstitial genomic deletions in CTNNB1. In this study, we have defined an immunohistochemical algorithm to dissect Wnt pathway alterations in formalin-fixed and paraffin-embedded neoplastic tissues. Read More

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http://dx.doi.org/10.1038/s41374-018-0121-9DOI Listing
January 2019
45 Reads

Cytopathological findings of proliferating pilomatricoma misdiagnosed as a malignant parotid gland tumor.

Diagn Pathol 2018 Aug 28;13(1):65. Epub 2018 Aug 28.

Department of Pathology and Laboratory Medicine, Kanazawa Medical University, 1-1 Daigaku, Uchinada, Ishikawa, 920-0293, Japan.

Background: Pilomatricoma is a relatively common benign cutaneous adnexal neoplasm with differentiation towards the hair matrix, inner sheath of hair follicle and hair cortex. Proliferating pilomatricoma is a rare variant of pilomatricoma that can rapidly increase and may be misidentified as a malignant tumor. We herein report the cytopathological findings of proliferating pilomatricoma misdiagnosed as a malignant parotid tumor. Read More

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https://diagnosticpathology.biomedcentral.com/articles/10.11
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http://dx.doi.org/10.1186/s13000-018-0738-4DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6114043PMC
August 2018
52 Reads