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Laparoscopic resection of retroperitoneal paraganglioma close to caudal vena cava in a dog.

Vet Med Sci 2021 Jul 26. Epub 2021 Jul 26.

Evergreen Vet Research & Publication, Ichinomiya, Japan.

Objective: To report laparoscopic resection of retroperitoneal paraganglioma close to the caudal vena cava in a dog.

Study Design: Case report.

Animal: Twelve-year-old, neutered male Jack Russell terrier. Read More

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Multiple left ventricular myxomas combined with severe rheumatic valvular lesions: A case report.

World J Clin Cases 2021 Jul;9(20):5535-5539

Department of Cardiology, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu 610072, Sichuan Province, China.

Background: Primary cardiac tumors are uncommon, of which cardiac myxoma accounts for 50%-80%. Left ventricular myxoma has been rarely reported, accounting for only 3%-4% of all cardiac myxomas. Multiple left ventricular myxomas are, relatively, even rarer. Read More

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Tubular colonic duplication in an adult patient with long-standing history of constipation and tenesmus.

Autops Case Rep 2021 6;11:e2021260. Epub 2021 May 6.

Mount Sinai Medical Center, The Arkadi M. Rywlin M.D. Department of Pathology and Laboratory Medicine, Miami Beach, FL, USA.

Background: Intestinal duplications are rare congenital developmental anomalies with an incidence of 0.005-0.025% of births. Read More

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Coincidence of juvenile granulosa cell tumor and serous cystadenoma in a pediatric patient: Case report and literature review.

Radiol Case Rep 2021 Sep 1;16(9):2370-2375. Epub 2021 Jul 1.

Department of Radiology, Children's Hospital 2, Ho Chi Minh City, Vietnam.

Juvenile granulosa cell tumor (GCT) is a rare ovarian tumor in children, presenting with a multiloculated cystic pattern and irregular wall-thickening on imaging and serous cystadenoma (SCA) is also another rare benign cystic ovarian tumor in children. The appearance of two uncommon types of ovarian tumors on both sides in children is extremely rare. We report the case of a 4-year-old female presenting with symptoms of precocious puberty and diagnosed with juvenile GCT on the left ovary after surgical resection. Read More

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September 2021

[The management of infantile tongue base cyst with laryngomalacia].

Lin Chung Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2021 Jun;35(6):517-520;524

Department of Otolaryngology Head and Neck Surgery,Shanghai Children's Hospital,Shanghai,200062,China.

To explore the diagnosis and therapeutic strategy of laryngomalacia associated with tongue base cyst in infants. A retrospective analysis was performed on 36 cases of tongue base cyst including 12 cases with concurrent laryngomalacia. All the cysts of the tongue base were completely resected, and no recurrence occurred during the 6-months follow-up. Read More

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Penile schwannoma mistaken for hemangioma: a rare case report and literature review.

Transl Androl Urol 2021 Jun;10(6):2512-2520

Department of Urology, Soonchunhyang University Cheonan Hospital, Soonchunhyang University College of Medicine, Cheonan, Korea.

Penile neoplasm is uncommon. Schwannomas of the penis are especially rare. For this reason, it is difficult to get an accurate impression to enable decision making. Read More

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Primary thyroid teratoma in adults: A case report and systematic review of the literature.

Mol Clin Oncol 2021 Aug 23;15(2):169. Epub 2021 Jun 23.

Third Department of Surgery, Attikon University Hospital, National and Kapodistrian University of Athens, 12462 Athens, Greece.

Extragonadal germ cell tumors are uncommon in adults and only 2-5% of teratomas develop in extragonadal sites. Primary thyroid teratomas represent <0.1% of all primary thyroid gland neoplasms. Read More

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Proliferative Clonal T-Cell Infiltrate Mimicking a Cutaneous T-Cell Lymphoma Arising in Active Regression of Melanoma.

Am J Dermatopathol 2021 Jul 20. Epub 2021 Jul 20.

Department of Pathology and Laboratory Medicine, Baylor Scott and White Health, Texas A&M Medical CenterTemple, TX; and Department of Pathology and Laboratory Medicine, Cedars-Sinai Medical Center Los Angeles, CA.

Abstract: Complete melanoma regression is an uncommon phenomenon involving a complex interplay of the tumor microenvironment and host immune response. We report a case of an 84-year-old woman with a history of colon and breast cancers who presented with a right forearm tumor, which was found to be a nodular melanoma; focal features of regression were noted in the biopsy. Approximately 6 weeks later, surgical resection of the site revealed no gross evidence of tumor, and histologic sections showed an extensive lymphoid infiltrate with prominent epidermotropism. Read More

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Middle Ear Adenomatous Neuroendocrine Tumor: A Rare Entity.

Ear Nose Throat J 2021 Jul 21:1455613211029785. Epub 2021 Jul 21.

Department of ORL, Head and Neck Surgery, "G. Gennimatas" General Hospital, Thessaloniki, Greece.

Middle ear adenomatous neuroendocrine tumors (MEANT) are rare, mainly benign neoplasms and account for less than 2% of the middle and inner ear neoplasms. There are no specific radiological or clinical findings; therefore, the diagnosis is often difficult. Biopsy prior to surgery is often proposed. Read More

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Multidisciplinary Therapy Management for Locally Advanced Minor Salivary Gland Cancer in Oral Cavity: A Case Report and Literature Review.

Ear Nose Throat J 2021 Jul 19:1455613211031026. Epub 2021 Jul 19.

Department of Oncology, Hanoi Medical University, Hanoi, Vietnam.

Minor salivary gland cancer is a relatively uncommon disease of head and neck, arising across the upper aerodigestive tract. This is a malignant neoplasm with diverse clinical behaviors and histological types which are prognostically significant. Although complete surgical resection, with adequate free margin, is currently the treatment of choice for locoregional diseases, the optimal treatment is still not standardized. Read More

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Intraoral and extraoral approach for surgical treatment of Eagle's syndrome: a retrospective study.

Eur Arch Otorhinolaryngol 2021 Jul 19. Epub 2021 Jul 19.

Department of Otorhinolaryngology, The First Affiliated Hospital of Dalian Medical University, 5 Longbin Road, Development Zone, Dalian, Liaoning, China.

Background And Purpose: Eagle's syndrome is not uncommon in clinical work. Because of its atypical symptoms, it is easy to be misdiagnosed as other diseases, further leading to misdiagnosis and mistreatment. At present, there is no expert consensus or treatment guidelines for the disease. Read More

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Gangliocytic paraganglioma of the gastrointestinal tract; a case report of cecal origin.

Curr Med Imaging 2021 Jul 16. Epub 2021 Jul 16.

Department of Radiology, Inje University, Busan Paik Hospital, Busan, South Korea.

Introduction: Gangliocytic paraganglioma is an extremely rare tumor that is composed of epithelioid, ganglion, and spindle cells. It has a predilection site in the duodenum, especially the periampullary region. The clinical course is usually benign, but a few cases of metastasis to lymph nodes or distant sites have been noted. Read More

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Robot-Assisted Laparoscopic Removal of a Large Primary Retroperitoneal Mature Cystic Teratoma in an Adult.

Cureus 2021 Jul 12;13(7):e16329. Epub 2021 Jul 12.

Division of Urologic Surgery, University of Nebraska Medical Center, Omaha, USA.

Mature teratomas are unique and generally benign neoplasms. They are derived from embryonic tissues and typically located within the gonadal region. Primary retroperitoneal teratomas are uncommon in adults and often challenging to treat, given their location and size. Read More

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A rare case of vena cava leiomyoma: A case report.

Ann Card Anaesth 2021 Jul-Sep;24(3):408-410

Cardiovascular Anesthesia, Shaio Clinic, Bogotá, Colombia.

Intravascular leiomyoma is an uncommon disease and depending of vascular involvement and anesthetic challenge. We review a case of a 53-year-old woman who underwent vena cava leiomyoma resection under cardiopulmonary bypass using deep hypothermic circulatory arrest (DHCA). Invasive hemodynamic and neurologic monitoring, transesophageal echocardiography, and viscoelastic coagulation test were used during the procedure. Read More

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En-bloc resection of soft-tissue sarcoma of anterior chest wall and reconstruction with titanium bars and free anterolateral thigh flap.

BMJ Case Rep 2021 Jul 15;14(7). Epub 2021 Jul 15.

Sarcoma and Melanoma Unit - General Surgery Department, Hospital Britanico de Buenos Aires, Buenos Aires, Argentina

Primary soft-tissue sarcomas (STSs) of the chest wall are uncommon. Complete surgical resection remains the mainstay of treatment being sternal resection ocassionally required. We present a 25-year-old man with an anterior chest wall STS. Read More

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Fine needle aspiration cytology of mesenchymal hamartoma of liver mimicking hepatoblastoma: A case report.

Diagn Cytopathol 2021 Jul 15. Epub 2021 Jul 15.

Department of Pathology, All India Institute of Medical Sciences, New Delhi, India.

Fine-needle aspiration cytology (FNAC) is an effective tool for early and quick diagnosis of malignant and metastatic liver masses. However, diagnosing a benign liver tumor on cytology is a challenging task as they are rarely assessed on cytology and also due to the limitations of the procedure. Mesenchymal hamartoma is an uncommon benign pediatric liver tumor and difficult to diagnose on cytology. Read More

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Villous adenoma of bladder with uncommon location in a super-aged patient without gross hematuria.

IJU Case Rep 2021 Jul 7;4(4):197-199. Epub 2021 Apr 7.

Department of Urology Catholic University of Daegu School of Medicine Daegu Korea.

Introduction: There have been few reported cases of villous adenoma of the bladder. It commonly occurs in the superior area of the bladder with hematuria as the most common symptom. Here, we have presented a case of villous adenoma of the bladder neck and reviewed the existing literature. Read More

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Mesenchymal Neoplasms of Salivary Glands: A Clinicopathologic Study of 68 Cases.

Head Neck Pathol 2021 Jul 12. Epub 2021 Jul 12.

Department of Pathology and Laboratory Medicine, University of Miami Miller School of Medicine, 1400 NW 12th Avenue, Miami, FL, 33136, USA.

Salivary gland neoplasms are uncommon, and most exhibit epithelial differentiation. Mesenchymal neoplasms of the salivary gland are rare, and the incidence ranges from 1.9% to 5%. Read More

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Cecal volvulus in an adult male: A rare cause of intestinal obstruction: A case report.

Int J Surg Case Rep 2021 Jul 8;85:106186. Epub 2021 Jul 8.

Faculty of Clinical Medicine and Dentistry, Department of Surgery, Kampala International University Western Campus, Ishaka-Bushenyi, Uganda; Department of Surgery, Jinja Regional Referral Hospital, Jinja, Uganda.

Introduction And Importance: Cecal volvulus is uncommon cause of intestinal obstruction. It affects the ascending colon and the terminal part of the ileum which are twisted around the mesenteric pedicle.

Case Presentation: We report the case of 37-year-old male who underwent emergency laparotomy for intestinal obstruction and found a twisted cecum with ileal knotting and anterior part of cecum necrosed. Read More

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Inflammatory myofibroblastic tumor: molecular landscape, targeted therapeutics, and remaining challenges.

Curr Probl Cancer 2021 Jul 1:100768. Epub 2021 Jul 1.

Department of Pediatrics, Texas Children's Cancer and Hematology Centers, Baylor College of Medicine, Houston, Texas. Electronic address:

Inflammatory myofibroblastic tumor (IMT) is a rare mesenchymal tumor of intermediate malignant potential that predominantly affects children, adolescents and young adults. IMT has a predilection for the lung, abdomen, pelvis, and retroperitoneum, however, can affect any part of the body. IMT is typically localized, and multifocal or metastatic disease is uncommon. Read More

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Outcomes of stereotactic radiosurgery in young adults with vestibular schwannomas.

J Neurooncol 2021 Jul 9. Epub 2021 Jul 9.

Department of Neurosurgery, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan.

Purpose: Vestibular schwannomas (VSs) are comparatively rare in younger patients, and stereotactic radiosurgery (SRS) outcome data are limited. We aimed to evaluate long-term SRS outcomes concerning sporadic VSs in patients aged ≤ 40 years.

Methods: Of 383 patients with VS who had undergone SRS at our institution between 1990 and 2017, we retrospectively compared younger and older patients' tumor control and radiation-induced complication rates using case-control propensity score (PS) matching. Read More

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Osteoblastoma of the Lumbar Spine: Findings in SPECT/CT.

Clin Nucl Med 2021 Jul 6. Epub 2021 Jul 6.

From the Servicio de Medicina Nuclear, Hospital Universitario Central de Asturias, Oviedo, Asturias, Spain.

Abstract: Osteoblastoma is an uncommon benign osteoid tissue-forming bone tumor. We present the case of a 16-year-old adolescent boy with lower back pain that radiated down the right thigh. Lumbar MRI and CT findings were consistent with a long-standing osteoid osteoma located in the right laminae and pedicle of L3. Read More

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Massive gastrointestinal bleeding due to ectopic varix in distal duodenum: a case report.

J Community Hosp Intern Med Perspect 2021 10;11(3):370-375. Epub 2021 May 10.

Department of Internal Medicine, Boise Veterans Administration Medical Center, Boise, USA.

Duodenal ectopic varices (DEV) are an uncommon etiology of upper gastrointestinal bleeding and are associated with high mortality. Both the diagnosis and management of DEV are challenging. Multiple treatment modalities exist including endoscopic guided management (ligation and sclerotherapy), surgical resection, transvenous obliteration and transjugular intrahepatic portosystemic shunt (TIPS), but management depends on the underlying vascular anatomy and underlying pathology. Read More

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Mixed HPV-related Neuroendocrine Carcinoma and HPV-related Squamous Cell Carcinoma of the Base of Tongue in a Patient With Incidental Identification of Synchronous Metastatic Papillary Thyroid Carcinoma.

Anticancer Res 2021 Jul;41(7):3639-3642

Department of Pathology and Laboratory Medicine, Kaiser Permanente Sacramento Medical Center, Sacramento, CA, U.S.A.

Background: While it is not uncommon in patients with head and neck cancer to present with multiple metachronous primary neoplasms, rarely do these present as a singular mass composed of intertwined, histologically distinct malignant tumors. Sometimes referred to as collision tumors, these entities are poorly understood and only appear in a handful of case studies in the literature.

Case Report: Here we present a 58-year-old male diagnosed with a human papillomavirus-related collision tumor consisting of oropharyngeal squamous cell carcinoma and small-cell neuroendocrine carcinoma, as well as an incidentally discovered metastatic thyroid papillary carcinoma, despite an unremarkable thyroid gland. Read More

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Bilateral adrenal tumor: A case report and current challenges.

Int J Surg Case Rep 2021 Jul 25;84:106134. Epub 2021 Jun 25.

Urology Consultant of Urology Department, Faculty of Medicine, Universitas Indonesia - H. Adam Malik Hospital, Medan, Indonesia.

Introduction: A bilateral adrenal tumor is a rare case. It differs significantly from unilateral adrenal mass since it is related strongly to genetic and family history. Adrenocortical Carcinoma might cause related hormonal syndromes such as Cushing syndrome, Conn syndrome, and virilization. Read More

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Staged surgical approach for metastatic GIST, how far should we go? Case report.

Int J Surg Case Rep 2021 Jul 26;84:106044. Epub 2021 May 26.

Hepatobiliary section, General Surgery Department, King Fahad Specialist Hospital-Dammam, Dammam, Saudi Arabia; College of medicine, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia. Electronic address:

Introduction: Gastrointestinal stromal tumor (GIST) is an uncommon mesenchymal neoplasm that commonly arises from the stomach and proximal small intestine but can develop in any part of the gastrointestinal tract. The disease can range from primary localized to an advanced metastatic unresectable disease in up to 30% of patients. Usually, metastasis involves the liver, peritoneum, and occasionally the lungs. Read More

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Inflammatory myofibroblastic tumor masquerading as an anterior choroidal artery fusiform aneurysm.

Surg Neurol Int 2021 21;12:297. Epub 2021 Jun 21.

Lillian S. Wells Department of Neurosurgery, University of Florida, Gainesville, Florida, United States.

Background: Inflammatory myofibroblastic tumor is a rare, poorly understood tumor that has been found to occur in almost every organ tissue. Its location within the central nervous system is uncommon, and patients tend to present with nonspecific symptoms.

Case Description: A female in her eighth decade presented to neurosurgery clinic with complaints of headache and dizziness. Read More

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A rare giant mixed germ cell tumor of the pineal region with immature elements: Case report and review of the literature.

Rare Tumors 2021 20;13:20363613211026501. Epub 2021 Jun 20.

Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA.

The diagnosis and management of mixed intracranial germ cell tumors may be complicated by the diversity present within this tumor category. Mixed germ cell tumors demonstrate variable natural histories which may be altered by the inclusion of even the most minute immature histological components. We report the case of an 18-year-old male who presented with a 3-month history of progressive headache and nausea leading to lethargy. Read More

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Local recurrence of the atypical fibrous histiocytoma - a case report.

Pol Merkur Lekarski 2021 Jun;49(291):221-223

Institute of Hematology and Transfusiology Medicine, Warsaw, Poland: Department of General, Oncological and Metabolic Surgery.

Atypical fibrous histiocytoma (AFH) is an uncommon variant of benign skin neoplasm, fibrous histiocytoma. Despite having pseudosarcomatous histological features, atypical fibrous histiocytoma is characterized by a benign clinical course.

Aim: The aim of the study was to present the case of local recurrence of atypical fibrous histiocytoma in scar after the primary excision. Read More

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GEIS-SEHOP clinical practice guidelines for the treatment of rhabdomyosarcoma.

Clin Transl Oncol 2021 Jul 1. Epub 2021 Jul 1.

Radiotherapy Department, Vall D'Hebron University Hospital (Barcelona), Barcelona, Spain.

Rhabdomyosarcoma (RMS) is the most frequent soft tissue sarcoma (STS) in children and adolescents. In Spain the annual incidence is 4.4 cases per million children < 14 years. Read More

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