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Pediatr Dermatol 2019 Feb 11. Epub 2019 Feb 11.

Department of Pathology, Dr. Behcet Uz Children's Research and Training Hospital, Izmir, Turkey.

Objective: Lichen nitidus (LN) is an uncommon inflammatory skin eruption. The present study aims to describe a case series of children with LN seen at a tertiary-care health center.

Methods: Retrospective study of 17 children with biopsy-proven LN between January 2007 and March 2017. Read More

Indian J Dermatol 2019 Jan-Feb;64(1):62-64

Department of Pathology, Maulana Azad Medical College, New Delhi, India.

Lichen nitidus is a common dermatosis described classically as shiny, skin-colored, nonfollicular, flat-topped papules. A number of variants have been described in literature including localized, generalized, actinic, vesicular, perforating, hemorrhagic, palmar/plantar, purpuric, and linear forms. Here, we report an unusual case of linear lichen nitidus in an 11-year-old boy mimicking lichen striatus along the left thumb with isolated nail involvement of the affected digit. Read More

Dermatol Ther 2019 Jan 18:e12831. Epub 2019 Jan 18.

Department of Dermatology & STD, NDMC Medical College & Hindu Rao Hospital, New Delhi, India.

Two patients, one with nail lichen striatus and second with idiopathic trachyonychia were treated with intramatriceal injections of platelet-rich plasma. A total of 0.1 ml of the plasma solution was injected into the matrix of the involved nails at three weekly intervals. Read More

An Pediatr (Barc) 2018 Nov 28. Epub 2018 Nov 28.

Servicio de Dermatología Médico-Quirúrgica y Venereología, Hospital Clínico San Cecilio, Granada, España.

Dermatol Ther 2018 11 5;31(6):e12713. Epub 2018 Nov 5.

Department of Dermatology, College of Medicine, University of Hanyang, Seoul, Korea.

Am J Dermatopathol 2018 Oct 24. Epub 2018 Oct 24.

Research Unit Dermatopathology, Department of Dermatology, Medical University of Graz, Graz, Austria.

Perieccrine inflammation may be observed in several different dermatoses, but true permeation of the secretory coil by lymphocytes (lymphocytic syringotropism) is a rather uncommon finding, usually observed in mycosis fungoides (MF-syringotropic MF). Rare cases of syringotropic lichen striatus and lymphocytic autoimmune hidradenitis showing a similar pattern have been described as well. We describe an exceptional case of lichen planus (LP) characterized by marked lymphocytic syringotropism with focal hyperplasia of the eccrine epithelium. Read More

Dermatol Online J 2018 Jul 15;24(7). Epub 2018 Jul 15.

University of New England College of Osteopathic Medicine, Biddeford, Maine.

Lichen striatus is a rare inflammatory dermatosis that follows the lines of Blaschko. This paper discusses an unusual presentation of lichen striatus following hepatitis B vaccination and reviews the literature of vaccine-induced lichen striatus. Read More

Indian Dermatol Online J 2018 Sep-Oct;9(5):360-361

Department of Dermatology and STD, University College of Medical Sciences and GTB hospital, New Delhi, India.

Postepy Dermatol Alergol 2018 Aug 21;35(4):434-435. Epub 2018 Aug 21.

Department of Dermatology, Poznan University of Medical Sciences, Poznan, Poland.

Med Sante Trop 2018 Aug;28(3):261-264

Service de dermatologie-vénérologie Lomé, Faculté des sciences de la santé, Université de Lomé, Togo.

The aim of this study was to describe the epidemiologic, clinical, and therapeutic profiles of cases of lichenoid dermatosis in Lomé, together with their outcomes. This retrospective descriptive study reviewed records of patients receiving care for lichenoid dermatosis from January 1997 to December 2016 in the dermatology departments of Lomé. In total, 959 (2. Read More

Case Rep Dermatol Med 2018 10;2018:6905175. Epub 2018 Jun 10.

Omni Dermatology, Inc., KCU-GMEC Phoenix Dermatology Residency Program, 4840 E Indian School Rd, Suite 102, Phoenix, AZ 85018, USA.

Lichen striatus (LS) is an uncommon, acquired, self-limited, and benign linear dermatosis of unknown etiology that most often occurs unilaterally and is confined to the lines of Blaschko. A healthy 7-year-old girl presented to our clinic with bilateral asymmetric LS occurring on the right arm and left leg of 1-year duration. Very few cases of bilateral LS have been previously reported in the literature, with none from clinics within the United States. Read More

Eur J Dermatol 2018 Aug;28(4):521-523

Department of Pathology, Yenisehir District, Tahsin Duru Avenue, No.14, 71450 Yahsihan, Kirikkale, Turkey.

Int J Dermatol 2018 09 14;57(9):1118-1119. Epub 2018 Apr 14.

Department of Dermatology, Hospital Sant Joan de Déu, Barcelona, Spain.

J Clin Aesthet Dermatol 2018 Mar 1;11(3):39-41. Epub 2018 Mar 1.

Dr. Segars is with NSU-COM/Largo Medical Center Dermatology Residency in Largo, Florida.

Basaloid follicular hamartoma (BFH) is a rare, benign neoplasm of the hair follicle, characterized by multiple brown papules involving the face, scalp, and trunk. It is described by multiple clinical forms, and can present as localized or generalized. Diagnosis is made histologically via biopsy, which is important in order to distinguish BFH from basal cell carcinoma (BCC) or other malignant epithelial neoplasms. Read More

Int J Dermatol 2018 Aug 8;57(8):992-993. Epub 2018 Mar 8.

School of Medicine, Pontifícia Universidade Católica do Paraná - PUCPR, Curitiba, Brazil.

Dermatol Online J 2018 Jan 15;24(1). Epub 2018 Jan 15.

Department of Dermatology, Centro Hospitalar do Porto, Portugal.

Blaschkitis and lichen striatus are generally distinguished in the literature by the age of onset, lesion distribution, and histopathology. However, there is currently no clear consensus among authors about whether to consider blaschkitis and lichen striatus different clinical entities or a spectrum ofthe same disease. We present a case of adult BLAISE with features of both lichen striatus and blaschkitis, which seems to support the theory that these clinical entities may in fact represent a spectrum of the same pathological process. Read More

Hautarzt 2018 Feb;69(2):121-126

Klinik und Poliklinik für Dermatologie, Venerologie und Allergologie, Universitätsklinikum Würzburg, Josef-Schneider-Str. 2, 97080, Würzburg, Deutschland.

Lichen nitidus is a rare, chronic dermatosis which occurs more often in children than in adults. It presents with tiny, monomorphous, lichenoid, mostly asymptomatic papules in regional or disseminated distribution which show a pathognomonic histological pattern. The pathogenesis is unclear; however, immunologic phenomena and genetic factors are under discussion. Read More

Skin Appendage Disord 2017 Oct 3;3(4):188-189. Epub 2017 May 3.

Department of Dermatology and Allergology, Municipal Hospital Dresden, Academic Teaching Hospital of the Technical University of Dresden, Dresden, Germany.

Int J Immunopathol Pharmacol 2017 Dec 24;30(4):420-422. Epub 2017 Nov 24.

1 Department of Biomedical Sciences and Human Oncology, Dermatological Clinic, University of Bari Aldo Moro, Bari, Italy.

Lichen striatus is an acquired, benign, linear inflammatory dermatosis characterized by a sudden skin eruption along Blaschko's lines that usually is not associated with specific etiologic agents. In most cases, it is a self-limited dermatosis, but may relapse. Topical steroids are its first-line therapy, but this treatment is not always effective. Read More

J Dermatol 2017 Dec 18;44(12):e355-e356. Epub 2017 Sep 18.

Department of Dermatology, Chonbuk National University Medical School, Jeonju, Korea.

Acta Dermatovenerol Croat 2017 Jul;25(2):164-166

Efstathia Pasmatzi, MD, Department of Dermatology School of Medicine University of Patras, 26504 Rio-Patras, Greece;

Dear Editor, Molluscum contagiosum (MC) is a very common skin infection caused by a molluscipox virus gene of the poxvirus family. It usually occurs in young children, sexually active adults, and immunocompromised individuals. The typical clinical picture of this infection is characterized by asymptomatic flesh-colored, single or multiple papules, measuring 2-6 mm in diameter with a central umbilication that occur on the skin and the mucous membranes. Read More

Int J Dermatol 2017 Dec 9;56(12):1414-1420. Epub 2017 Aug 9.

Department of Dermatology, Federal University of São Paulo, São Paulo, Brazil.

Background: Skin diseases among indigenous populations have been poorly described in the literature. Risk factors linked to habits, cultural practices, genetics, and environmental characteristics can influence the frequency and clinical presentation of these diseases.

Methods: This was a cross-sectional study conducted through a review of dermatological medical records. Read More

Indian Dermatol Online J 2017 Jul-Aug;8(4):264-266

Department of Pathology, Dr. Ram Manohar Lohia Hospital, New Delhi, India.

Lichen striatus is a self-limiting dermatosis presenting with sudden eruption of lichenoid papules along the lines of Blaschko. A 5-year-old girl presented with asymptomatic hypopigmented linear lesions over both upper limbs. The histopathological examination revealed spongiosis, vacuolar alteration of the basal layer and lymphocytic exocytosis with a mild-to-moderate perivascular mononuclear infiltrate in the dermis. Read More

Actas Dermosifiliogr 2017 11 27;108(9):882-884. Epub 2017 Jun 27.

Servicio de Dermatología, Hospital Universitario Doctor Peset, Valencia, España.

Clin Exp Dermatol 2017 Oct 14;42(7):823-824. Epub 2017 Jun 14.

Dermatology Department, American University of Beirut Medical Center, Beirut, Lebanon.

Br J Dermatol 2017 05;176(5):e96

Department of Dermatology, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan.

Am J Dermatopathol 2017 Feb;39(2):144-149

*Department of Pathology, Clinical Hospital, Santiago de Compostela, Spain; †Department of Pathology and Forensic Sciences, University of Santiago de Compostela, Santiago de Compostela, Spain; ‡Department of Dermatology, Clinical Hospital, Santiago de Compostela, Spain; and §Department of Dermatology, Hospital da Barbanza, Ribeira, Spain.

Linear dermatoses are unusual entities whose distribution reflects cutaneous mosaicism, even when they occur in adult life. Adult blaschkitis (AB) and lichen striatus (LS) always follow this peculiar distribution. Although usually referred to as distinct entities, the clinical and histopathological presentation of lichen striatus in adults may be similar to those of adult blaschkitis. Read More

J Hematol Oncol 2017 01 5;10(1). Epub 2017 Jan 5.

Department of Bio-therapeutic, Institute of Basic Medicine, Chinese PLA General Hospital, No. 28 Fuxing Road, Beijing, 100853, China.

Background: Cholangiocarcinoma (CCA) is one of the most fatal malignant tumors with increasing incidence, mortality, and insensitivity to traditional chemo-radiotherapy and targeted therapy. Chimeric antigen receptor-modified T cell (CART) immunotherapy represents a novel strategy for the management of many malignancies. However, the potential of CART therapy in treating advanced unresectable/metastatic CCA is uncharted so far. Read More

J Cutan Pathol 2016 Nov 22;43(11):927-931. Epub 2016 Aug 22.

Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xian, China.

Background: Syringotropism is characterized by lymphocyte infiltration in the eccrine gland and is usually associated with various degrees of hyperplasia of eccrine gland cells. This phenomenon has been reported in rare cases of mycosis fungoides, which are also called as syringotropic mycosis fungoides.

Methods: We studied seven cases of lichen striatus associated with syringotropism and hyperplasia of eccrine gland cells, diagnosed at our dermatology department in the past 5 years. Read More

J Eur Acad Dermatol Venereol 2017 Apr 19;31(4):e200-e202. Epub 2016 Sep 19.

Department of Pediatric Dermatology, Hôpital Pellegrin-Enfants, Bordeaux, France.

J Am Acad Dermatol 2016 Sep;75(3):637-639

Department of Dermatology, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Suwon, Korea.

J Clin Diagn Res 2016 Jun 1;10(6):EC19-22. Epub 2016 Jun 1.

Professor and Head, Department of Pathology, A J Institute of Medical Sciences , Kuntikana, Mangalore, Karnataka, India .

Introduction: Papulosquamous diseases are characterized by scaly papules and plaques with similar clinical picture which amounts to confusion and hence, a definitive histopathological diagnosis goes a long way in treatment of such diseases.

Aim: The aim of the study was to study the histomorphology of non-infectious, erythaematous, papulosquamous lesions of skin with clinicopathological correlation.

Materials And Methods: Skin biopsies from 150 clinically diagnosed/suspected non-infectious erythaematous, papulosquamous skin diseases were received in the Department of Pathology. Read More

Arch Dis Child 2016 Dec 18;101(12):1148. Epub 2016 Jul 18.

Pediatric Dermatology Unit, Ospedale "Dell'Angelo", Mestre (Venezia), Italy.

JAAD Case Rep 2016 Mar 3;2(2):102-4. Epub 2016 Mar 3.

University of Michigan Medical School, Ann Arbor, Michigan.

JAAD Case Rep 2015 Sep 28;1(5):254-6. Epub 2015 Jul 28.

Department of Dermatology, Texas Tech University Health Sciences Center, Lubbock, Texas.

Pediatr Dermatol 2016 May 2;33(3):301-6. Epub 2016 Mar 2.

Dermatology Department, American University of Beirut Medical Center, Beirut, Lebanon.

Background/objectives: In addition to several infectious and neoplastic cutaneous entities, plasmacytoid dendritic cells (pDCs) have been shown to be involved in the pathogenesis of multiple cutaneous inflammatory and autoimmune disorders, including those characterized histologically by an "interface dermatitis" pattern such as lupus or lichen planus (LP), but their role in lichen striatus (LS), which is also known to have this histologic inflammatory pattern, has never been studied. The objective of the study was to investigate the role of pDCs in LS.

Methods: Fifteen LS patients were found in our database and were immunohistochemically tested for pDC occurrence and activity using anti-blood-derived dendritic cell antigen-2 and anti-myxovirus resistance protein A (MxA) antibodies, respectively. Read More

Rev Prat 2016 03;66(3):283

Centre médical des armées de Villacoublay, Villacoublay Air, France

Cutis 2016 Feb;97(2):86;120;122

Departments of Dermatology and Pathology, Geisinger Medical Center, Danville, Pennsylvania, USA.

Int J Dermatol 2016 Apr 19;55(4):e204-10. Epub 2016 Jan 19.

Department of Dermatology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, China.

Background: Lichen striatus (LS) and linear lichen planus (LLP) are separate uncommon disorders belonging to linear inflammatory dermatoses. The immunotyping of inflammatory cells has been investigated in LS and lichen planus (LP), but epidermal proliferation and differentiation have little been described in LS and LLP.

Methods: The clinical and pathological data of eight patients with LS and seven with LLP were retrospectively collected. Read More

Pediatr Dermatol 2016 Jan-Feb;33(1):95-6

Department of Dermatology, Duke University, Durham, North Carolina.

Clin Dermatol 2015 Nov-Dec;33(6):631-43. Epub 2015 Sep 12.

Department of Dermatology, Medical College of Wisconsin, 9200 W. Wisconsin Ave., Wauwatosa, WI 53226.

Lichenoid dermatoses, a group of inflammatory skin conditions with characteristic clinical and histopathologic findings, range from common to rare. Classic lichen planus typically presents as pruritic, polygonal, violaceous flat-topped papules and plaques; many variants in morphology and location also exist. Other lichenoid dermatoses share similar clinical presentations and histopathologic findings. Read More

Pediatr Dermatol 2016 Jan-Feb;33(1):e23-6. Epub 2015 Dec 8.

Department of Dermatology, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain.

Linear morphea and lichen striatus are distinct conditions that have been linked in only one previous case report. We describe two patients with facial lichen striatus preceding linear morphea at the same site. A possible pathogenic relationship is discussed. Read More

Indian Dermatol Online J 2015 Sep-Oct;6(5):333-5

Department of Dermatology, Adichunchanagiri Institute of Medical Sciences, Karnataka, India.

Lichen striatus with nail involvement is rare and is often unnoticed. Nail changes are often nonspecific but they are usually localized to one portion of the nail. Also single nail involvement and presence of skin lesions near the nail are often noticed. Read More

Int J Dermatol 2015 Nov;54(11):1255-60

Department of Dermatology, College of Medicine, The Catholic University of Korea, Seoul, South Korea.

Background: Nail involvement in lichen striatus (LS) is rare and has not been documented extensively.

Objectives: This study describes the clinical and histological features, response to treatment, and follow-up in seven patients with nail LS.

Methods: We reviewed seven cases of nail LS between 2006 and 2012 at the Dermatology Department, Yeouido St Mary's Hospital, Seoul, South Korea. Read More

J Pak Med Assoc 2015 Sep;65(9):1011-3

Department of Pathology, Turgut Ozal University, Faculty of Medicine, Ankara, Turkey.

Lichen striatusis a rare linear papulardermatosis that primarily occurs in children. The lesions have a linear distribution following Blaschko's lines. Pityriasis lichenoides is an uncommon benign skin disorder with two major variants: acute and chronic. Read More

Pediatr Ann 2015 Aug;44(8):e194-8

A 3-year-old girl presented with a linear eruption on her leg for 2 months. She was otherwise healthy and well-appearing. Physical examination showed many small, erythematous, flat-topped papules coalescing into a linear erythematous plaque. Read More

Int J Dermatol 2016 Feb 31;55(2):173-6. Epub 2015 Jul 31.

Department of Dermatology, General University Hospital of Alicante, Alicante, Spain.

Background: Cutaneous lupus in childhood is usually associated with systemic lupus erythematosus (LE). Linear cutaneous LE (LCLE) is an unusual presentation mostly seen in children and young adults.

Methods: We report a rare case of cutaneous subacute LE with a segmentary pattern following the lines of Blaschko in an 18-month-old girl with a 2-month history of persistent, linear, asymptomatic, erythematous lesions along the right arm. Read More

Dermatol Clin 2015 Apr 14;33(2):197-205. Epub 2015 Feb 14.

Department of Dermatology and Cutaneous Surgery, Miller School of Medicine, University of Miami, Miami, 1600 Northwest 10th Avenue, FL 33136, USA. Electronic address:

This article reviews 6 nail disorders that, although easy to diagnose, are misdiagnosed frequently by dermatologists and general practitioners. Diagnostic clues are emphasized to familiarize readers with features that indicate the correct diagnosis. We focus on two common tumors (onychomatricoma and onychopapilloma), two rare genetic conditions that can be diagnosed owing to nail changes (Darier disease and nail patella syndrome), and two uncommon acquired disorders (the yellow nail syndrome and lichen striatus). Read More

Cutis 2014 Nov;94(5):E16-9

Wayne State University School of Medicine, 3901 Beaubien Blvd, Detroit, MI 48201, USA.

Lichen striatus (LS) is a relatively rare and self-limited linear dermatosis of unknown etiology. It primarily affects children, with more than 50% of cases occurring in patients aged 5 to 15 years. The case of a 2-year-old boy who presented for evaluation of a nonpruritic linear rash on the left side of the lower abdomen of 3 weeks' duration is discussed. Read More