Rare, risky, recurrent: An enigmatic cutaneous polyp.

abstract：BACKGROUND:Melanocytic nevi from the genitalia are uncommon. Nevi on the vulva are much better described than nevi on male genitalia. To our knowledge, a systematic study of preputial melanocytic nevi has not been reported. OBJECTIVE:To investigate the frequency of clinically unapparent melanocytic nevi on a series of...

journal_title：Journal of cutaneous pathology

authors： Val-Bernal JF,Val D,Garijo MF

更新日期：2009-04-01 00:00:00

abstract：:Biopsies from a 5-year-old girl with dermatomyositis and universal calcinosis were studied histopathologically and by means of electron optical techniques. The dermis was infiltrated by fibroblasts, lymphocytes and plasma cells. In the lower part of the dermis, dense basophilic areas were present. In the vicinity of t...

journal_title：Journal of cutaneous pathology

authors： Nielsen AO,Johnson E,Hentzer B,Kobayasi T

更新日期：1979-12-01 00:00:00

abstract：:A 31 year old Indian woman presented with bilateral axillary masses that became noticeable with the onset of puberty. The masses exhibited similar consistency to the adjacent normal breast tissue but lacked an associated nipple complex. The clinical impression was lipoma; however, mammography, ultrasonography and skin...

journal_title：Journal of cutaneous pathology

authors： Ghosn SH,Khatri KA,Bhawan J

更新日期：2007-12-01 00:00:00

abstract：BACKGROUND:Telomerase plays a role in the immortalization of cells and carcinogenesis. Previous studies have yielded conflicting results on whether human telomerase RNA (hTER) expression differs in nevi, atypical nevi and melanomas using polymerase chain reaction-based telomeric repeat amplification protocol or in situ...

journal_title：Journal of cutaneous pathology

authors： Fullen DR,Zhu W,Thomas D,Su LD

更新日期：2005-11-01 00:00:00

abstract：:A malignant pilomatricoma is described in a dog. The primary tumor apparently developed in the metatarsal area where there were multiple intradermal skin nodules. Lymphatic invasion by tumor cells resulted in metastasis to the mammary glands, lymph nodes and lungs. The tumor is compared to the pilomatricoma in man whe...

journal_title：Journal of cutaneous pathology

authors： Goldschmidt MH,Thrall DE,Jeglum KA,Everett JI,Wood MG

更新日期：1981-10-01 00:00:00

abstract：:White sponge nevus (WSN) is an uncommon benign inherited disorder characterized by white and diffuse painless lesions in oral, esophageal, or genital mucosa. The lesions may develop at birth or later in childhood or adolescence, with careful clinical examination being sufficient for diagnosis in most cases. However, m...

journal_title：Journal of cutaneous pathology

authors： Bezerra KT,Leite TC,Roza ALOC,Araújo R,Israel MS,Canedo NHS,Agostini M,Benevenuto de Andrade BA,Romañach MJ

更新日期：2020-01-01 00:00:00

abstract：BACKGROUND:Becker nevus (BN) is a unilateral, hairy, pigmented cutaneous hamartoma that frequently appears in adolescence. Several features of BN suggest that increased androgen sensitivity plays a role in its pathogenesis. There have been only a few studies of histopathologic and immunohistochemical characteristics of...

journal_title：Journal of cutaneous pathology

authors： Kim YJ,Han JH,Kang HY,Lee ES,Kim YC

更新日期：2008-12-01 00:00:00

abstract：:Benign lymphangioendothelioma is a rare locally infiltrative vascular neoplasm, presenting as a slow-growing, asymptomatic, reddish-violaceous plaque. Histopathologically, it is characterized by irregular and thin-walled vascular spaces, lined by a single and discontinuous layer of flat endothelial cells, dissecting d...

journal_title：Journal of cutaneous pathology

authors： Revelles JM,Díaz JL,Angulo J,Santonja C,Kutzner H,Requena L

更新日期：2012-10-01 00:00:00

abstract：BACKGROUND:The distinction of metastatic ovarian carcinoma from other metastatic carcinomas and primary adnexal lesions in the skin is often difficult. PAX8 is a transcription factor that plays a critical role in development of the Müllerian system and has been shown to be a useful discriminatory marker between ovarian...

journal_title：Journal of cutaneous pathology

authors： Fujiwara M,Taube J,Sharma M,McCalmont TH,Kim J

更新日期：2010-09-01 00:00:00

abstract：:In past years, association of primary cutaneous B-cell lymphoma (CBCL) with infection by Borrelia burgdorferi has been reported in a few patients. The evidence for a pathogenetic role was based on clinical grounds or raised titre of antibodies in serum. Both methods, however, do not prove the association between the m...

journal_title：Journal of cutaneous pathology

authors： Cerroni L,Zöchling N,Pütz B,Kerl H

更新日期：1997-09-01 00:00:00

abstract：BACKGROUND:Benign lichenoid keratosis (BLK) is a well-known clinicopathologic entity and several histopathologic patterns have been described. Features mimicking mycosis fungoides (MF) in clinically typical BLKs have not yet been emphasized. The aim of this study was to confirm the occurrence of an MF-like pattern of B...

journal_title：Journal of cutaneous pathology

authors： Al-Hoqail IA,Crawford RI

更新日期：2002-05-01 00:00:00

abstract：:Pigmented extramammary Paget disease (PEMPD) is a rare intraepithelial carcinoma which can clinically resemble other pigmented neoplasms. Similarities to melanoma on dermoscopy, histopathology, and reflectance confocal microscopy (RCM) increase the risk of misdiagnosis and, consequently, mismanagement. Here, we descri...

journal_title：Journal of cutaneous pathology

authors： Chuchvara N,Reilly C,Haroon A,Wassef C,Maghari A,Rao B

更新日期：2020-12-01 00:00:00

abstract：:Chronic lymphocytic leukemia (CLL/SLL) is the most common leukemia in the western world and its cutaneous dissemination a very uncommon phenomenon. Lymphomatoid papulosis (LyP) is a CD30+ lymphoproliferative disorder characterized by chronic, recurrent and self healing skin lesions. Up to 20% of patients with LyP have...

journal_title：Journal of cutaneous pathology

authors： Hibler J,Salavaggione AL,Martin A,Gru AA

更新日期：2015-04-01 00:00:00

abstract：:Langerhans cell histocytosis (LCH) and Erdheim-Chester disease are two rare histiocytic disorders. Their occurrence in the same patient is more infrequent, but has been described. We report a case of a 38-year-old woman who presented with a diagnosis of single system cutaneous LCH. Subsequently, she developed multiple...

journal_title：Journal of cutaneous pathology

authors： Johnson WT,Patel P,Hernandez A,Grandinetti LM,Huen AC,Marks S,Ho J,Monaco SE,Jaffe R,Picarsic J

更新日期：2016-03-01 00:00:00

abstract：:Cutaneous syncytial myoepithelioma (CSM) is a recently recognized, histopathological variant of myoepithelial (ME) tumors of the skin. It is characterized by a syncytial arrangement of spindled, ovoid, and/or epithelioid cells forming a well-circumscribed, unencapsulated dermal nodule. There is a paucity of intervenin...

journal_title：Journal of cutaneous pathology

authors： MacKinnon WF,Carter MD,Bridge JA,Tremaine RD,Walsh NMG

更新日期：2019-06-01 00:00:00

abstract：INTRODUCTION:The term spitzoid melanoma (SM) is reserved for a rare group of tumors with striking resemblance to Spitz nevus, often developing in children diagnosed in retrospect after the development of metastases. OBJECTIVES:To determine the biological significance of SM and to analyze the effectiveness of adjuvant ...

journal_title：Journal of cutaneous pathology

authors： Paradela S,Fonseca E,Pita S,Kantrow SM,Goncharuk VN,Diwan H,Prieto VG

更新日期：2009-07-01 00:00:00

abstract：BACKGROUND:Nerve growth factor (NGF) and its high-affinity receptor, tyrosine kinase A (TrkA), are members of the neurotrophin family. NGF-TrkA are involved in murine hair morphogenesis and cycling. To date, their expression in human hair follicle (HF) is unknown. In this investigation, we hypothesize that NGF-TrkA pro...

journal_title：Journal of cutaneous pathology

authors： Adly MA,Assaf HA,Nada EA,Soliman M,Hussein M

更新日期：2006-08-01 00:00:00

abstract：:An electron microscopic study was made of a patient with erythema elevatum diutinum, a rare variant of cutaneous leukocytoclastic vasculitis. Biopsies were obtained from early evolving and late fibroproliferative lesions. Early lesions showed vasculitis and a massive dermal infiltrate composed mainly of neutrophils, h...

journal_title：Journal of cutaneous pathology

authors： Lee AY,Nakagawa H,Nogita T,Ishibashi Y

更新日期：1989-08-01 00:00:00

abstract：:Epithelioid cells with foamy cytoplasm (histiocytoid features) are typical histopathologic findings among benign and malignant histiocytic neoplasms such as xanthoma and atypical fibroxanthoma. However, these changes are unusual in melanoma, which is typically composed of nested and variably pigmented atypical epithel...

journal_title：Journal of cutaneous pathology

authors： Farah M,Nagarajan P,Torres-Cabala CA,Curry JL,Amaria RN,Wargo J,Tawbi H,Ivan D,Prieto VG,Tetzlaff MT,Aung PP

更新日期：2018-07-01 00:00:00

abstract：BACKGROUND:Scleroderma/morphea is characterized by expansion of the dermis with thickened collagen bundles and loss of CD34(+) dermal dendrocytes. Variable elastic fiber changes have been described, but to our knowledge, no systematic study of the elastic fiber pattern correlated with CD34 expression has been reported....

journal_title：Journal of cutaneous pathology

authors： Walters R,Pulitzer M,Kamino H

更新日期：2009-09-01 00:00:00

abstract：:Mycosis fungoides in palmoplantar localization (MFPP) is a rare variant of MF that is confined to the hands and feet. Patients commonly receive treatment over many years for suspected palmoplantar dermatitis before the diagnosis is made. Most MFPP patients remain at patch or plaque stage, and often respond to treatmen...

journal_title：Journal of cutaneous pathology

authors： Pham AK,Carter JB,Ratcliffe NR,Fuld AD,Lansigan F,Burnside NJ,Guill MA 3rd,Zug KA,Jarvis LA,LeBlanc RE

更新日期：2018-06-01 00:00:00

abstract：BACKGROUND:Recent genetic investigations support the idea that basal cell carcinoma (BCC) is trichoblastic carcinoma. However, it is generally thought that clear cell basal cell carcinoma is a result of degeneration rather than tricholemmal differentiation. METHODS:We report a case of BCC, with clear cell components, ...

journal_title：Journal of cutaneous pathology

authors： Misago N,Satoh T,Narisawa Y

更新日期：2003-03-01 00:00:00

abstract：:A prospective, controlled epidemiologic survey performed in El Bagre, Colombia revealed a new variant of endemic pemphigus disease, occurring in a gold mining region. The disease resembled Senear-Usher syndrome, and occurred in an endemic fashion. The aim of this study is to describe the most frequent histopathologic ...

journal_title：Journal of cutaneous pathology

authors： Howard MS,Yepes MM,Maldonado-Estrada JG,Villa-Robles E,Jaramillo A,Botero JH,Patiño PJ,Hashimoto T,Abreu-Velez AM

更新日期：2010-02-01 00:00:00

abstract：BACKGROUND:The histopathologic findings of localized reactions to tick bites may present as diagnostic dilemmas, especially if there is no history of a tick bite, or if the tick's mouthparts are not present in the biopsied skin. OBJECTIVE:Skin biopsies of patients with a clinical history of a tick bite were selected a...

journal_title：Journal of cutaneous pathology

authors： Stefanato CM,Phelps RG,Goldberg LJ,Perry AE,Bhawan J

更新日期：2002-02-01 00:00:00

abstract：:Claudins are a family of transmembrane proteins involved in cell-to-cell adhesion and are believed to be the main component of tight junctions. Recent studies have suggested that some metastatic solid tumors lack claudin expression. It is unknown whether claudins play a role in cutaneous melanoma. Immunohistochemical ...

journal_title：Journal of cutaneous pathology

authors： Cohn ML,Goncharuk VN,Diwan AH,Zhang PS,Shen SS,Prieto VG

更新日期：2005-09-01 00:00:00

abstract：:The histogenesis of atypical fibroxanthoma (AFX) and its relationship to malignant fibrous histiocytoma (MFH) are a subject of controversy. Many investigators have proposed that AFX may represent a reactive process, while others contend that it is a true fibrohistiocytic neoplasm, closely related to MFH. In an attempt...

journal_title：Journal of cutaneous pathology

authors： Worrell JT,Ansari MQ,Ansari SJ,Cockerell CJ

更新日期：1993-06-01 00:00:00

abstract：BACKGROUND:Merkel cell carcinoma (MCC) is an aggressive neoplasm, which is often associated with Merkel cell polyomavirus (MCPyV). Programmed death-1 (PD-1) and its ligand PD-L1 are key players of the tumor microenvironment (TME). METHODS:Fourteen paraffin-embedded tissue samples of MCC were stratified by their MCPyV ...

journal_title：Journal of cutaneous pathology

authors： Mitteldorf C,Berisha A,Tronnier M,Pfaltz MC,Kempf W

更新日期：2017-09-01 00:00:00

abstract：BACKGROUND:A reduction in the expression of the pan T-cell markers CD7 and CD62L supports an endogenous T-cell dyscrasia. Previously, clone availability for CD62L restricted its application to frozen tissue sections. MATERIALS AND METHODS:A nonavidin/biotin technique to examine CD3, CD62L, and CD7 in paraffin formalin...

journal_title：Journal of cutaneous pathology

authors： Magro CM,Sachdeva MP,Crowson AN,Barusevicius A,Baran PN,Kovatich AJ

更新日期：2005-01-01 00:00:00

abstract：:The histological picture of molluscum contagiosum (MC) is well known: the epidermis grows down into the dermis as multiple, closely packed pear-shaped lobules. The epithelial cells of the outermost layers and the horny layer display typical molluscum bodies. In this paper, we describe an unusual case of MC in a cystic...

journal_title：Journal of cutaneous pathology

authors： Aloi FG,Pippione M

更新日期：1985-04-01 00:00:00

abstract：BACKGROUND:De novo intraepidermal epithelioid melanocytic dysplasia (DNIEMD) is a newly characterized lesion that is associated with a personal and/or family history of malignant melanoma (MM) and/or dysplastic nevi (DN). However, the biological significance is still uncertain and the persons predisposed to this lesion...

journal_title：Journal of cutaneous pathology

authors： Jessup CJ,Cohen LM

更新日期：2010-08-01 00:00:00