Desmoplastic trichoepithelioma with perineural involvement: a series of seven cases.

abstract：:Cutaneous immune-related adverse events (irAEs) are a known consequence of immune checkpoint inhibitor (ICI) therapy and may exhibit a spectrum of morphologic features both clinically and histologically. Lichenoid dermatitis associated with ICI therapy (LD-ICI) is the most frequently encountered histopathologic type o...

journal_title：Journal of cutaneous pathology

authors： Tetzlaff MT,Tang S,Duke T,Grabell DA,Cabanillas ME,Zuo Z,Yao JC,Nagarajan P,Aung PP,Torres-Cabala CA,Duvic M,Prieto VG,Huen A,Curry JL

更新日期：2019-11-01 00:00:00

abstract：BACKGROUND:Pyoderma gangrenosum (PG) is a non-infectious, autoimmune, chronic ulcer of the skin, often co-existing with inflammatory bowel disease (IBD). Matrix metalloproteinases (MMPs) have been implicated as mediators of tissue destruction in chronic cutaneous and intestinal wounds. METHODS:Twenty-four skin biopsie...

journal_title：Journal of cutaneous pathology

authors： Bister V,Mäkitalo L,Jeskanen L,Saarialho-Kere U

更新日期：2007-12-01 00:00:00

abstract：:In seven patients suffering from lichen planus (LP) light- and electron-microscopic 3H-thymidine (3HT) labeling studies were performed and the following results were obtained. 1. Using the light-microscope, a large number of 3HT labeled cells can be observed in the dermal infiltrate of LP. Most of the labeled nuclei b...

journal_title：Journal of cutaneous pathology

authors： Ebner H,Jurecka W

更新日期：1977-09-01 00:00:00

abstract：:We examined the proliferative characteristics of 20 basal-cell carcinomas (BCCs) and 16 trichoepitheliomas (TEps) in an effort to understand and explore possible differences in their tumorigenic cell-cycle properties. These tumors were first compared for their expression of the nuclear proliferative protein Ki-67 and ...

journal_title：Journal of cutaneous pathology

authors： Lum CA,Binder SW

更新日期：2004-09-01 00:00:00

abstract：BACKGROUND:Histopathologic examination is sometimes inadequate for accurate and reproducible diagnosis of certain melanocytic neoplasms. As a result, more sophisticated and objective methods have been sought. The goal of this study was to identify a gene expression signature that reliably differentiated benign and mali...

journal_title：Journal of cutaneous pathology

authors： Clarke LE,Warf MB,Flake DD 2nd,Hartman AR,Tahan S,Shea CR,Gerami P,Messina J,Florell SR,Wenstrup RJ,Rushton K,Roundy KM,Rock C,Roa B,Kolquist KA,Gutin A,Billings S,Leachman S

更新日期：2015-04-01 00:00:00

abstract：BACKGROUND:During a clinical trial, we obtained 16 biopsies of skin eruptions induced by aspirin in patients with chronic idiopathic urticaria (CIU). In this setting, aspirin triggers skin eruptions through a well-established non-immunological mechanism involving the inhibition of cyclooxygenase type I. This presented ...

journal_title：Journal of cutaneous pathology

authors： Zembowicz A,Mastalerz L,Setkowicz M,Radziszewski W,Szczeklik A

更新日期：2004-04-01 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：:A 12-year-old male presented with an 8-year history of five firm cream colored papules on the right vertex of the scalp. A biopsy showed a dense infiltrate of monomorphous mast cells involving the dermis and extending into the subcutis. A relatively well-circumscribed cluster of larger cells showed pleomorphic nuclei ...

journal_title：Journal of cutaneous pathology

authors： Lachapelle J,Moroz B,Nguyen VH

更新日期：2012-08-01 00:00:00

abstract：BACKGROUND:Even though only 33 cases of Erythromelanosis follicularis faciei et colli (EFFC) have been reported around the world, there have been no quantitative clinicopathological studies yet. The purpose of this study is to examine quantitatively clinical and histopathological evaluations of EFFC using image analysi...

journal_title：Journal of cutaneous pathology

authors： Kim MG,Hong SJ,Son SJ,Song HJ,Kim IH,Oh CH,Moon JS

更新日期：2001-03-01 00:00:00

abstract：BACKGROUND:It is often challenging to reliably assess the number of lesional melanocytes in intraepidermal melanocytic proliferations involving sun-damaged skin. Therefore, dermatopathologists routinely use immunostains to help differentiate melanocytes from surrounding keratinocytes. METHODS:Forty-three cases of sola...

journal_title：Journal of cutaneous pathology

authors： Kim J,Taube JM,McCalmont TH,Glusac EJ

更新日期：2011-10-01 00:00:00

abstract：BACKGROUND:Chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL) is associated with an increased risk of a second malignancy. METHODS:We conducted a retrospective clinicopathologic review of 12 patients with CLL/SLL who developed a second lymphoma in the skin. Demographic data, clinical information, and hi...

journal_title：Journal of cutaneous pathology

authors： Liu YA,Finn AJ,Subtil A

更新日期：2021-01-07 00:00:00

abstract：:Adenomyoepithelioma is a rare, microscopically distinctive tumor of the skin. This article explores an example that presented in the inguinal area in a 29-year-old woman, mimicking adenopathy. Histopathologically, the tumor included two different areas: a cystic area consisting of tubules and glands in hyalinized stro...

journal_title：Journal of cutaneous pathology

authors： Sabater Marco V

更新日期：2012-07-01 00:00:00

abstract：:Early cutaneous Lyme disease, erythema migrans, may show different histopathologic patterns. The intent of this case series is to raise awareness of these findings to prevent misdiagnosis and keep this entity in the differential. Erythema migrans develops after a tick bite and subsequent infection with the spirochete,...

journal_title：Journal of cutaneous pathology

authors： Miraflor AP,Seidel GD,Perry AE,Castanedo-Tardan MP,Guill MA,Yan S

更新日期：2016-01-01 00:00:00

abstract：BACKGROUND:It is not clear why melanocyte disappearance occurs without fibrotic evolution in halo nevus and with fibrotic evolution in regressing melanoma. METHODS:Six halo nevi, seven regressing primary melanomas, and seven primary melanoma (PM) without regression were studied using immunohistochemistry for the pheno...

journal_title：Journal of cutaneous pathology

authors： Moretti S,Spallanzani A,Pinzi C,Prignano F,Fabbri P

更新日期：2007-04-01 00:00:00

abstract：:Anaplastic large cell lymphoma (ALCL) is a CD30+ T-cell non-Hodgkin lymphoma with 2 main clinical presentations: primary cutaneous ALCL (pcALCL) and systemic ALCL (sALCL). While rare cases of myxoid sALCL have been reported, there are no previous cases of myxoid pcALCL reported. We present 2 unusual cases of pcALCL sh...

journal_title：Journal of cutaneous pathology

authors： Fernandez-Flores A,Eginli A,Cassarino DS

更新日期：2017-09-01 00:00:00

abstract：:Lobular capillary hemangioma, which is also named as pyogenic granuloma, is a common vascular proliferation of skin and mucous membranes. Hormonal influence in the development of lobular capillary hemangioma on the mucosal surfaces has been demonstrated but for cutaneous lesions located on the skin, this association h...

journal_title：Journal of cutaneous pathology

authors： Demir Y,Demir S,Aktepe F

更新日期：2004-01-01 00:00:00

abstract：:We encountered a patient who complained of many small papules on the neck, shoulders, upper chest and upper back. Biopsy specimens showed complete loss of elastic fibers in the upper dermis including papillary dermis, whereas those of the mid dermis were intact. Electron microscopy revealed that assembly of component ...

journal_title：Journal of cutaneous pathology

authors： Hashimoto K,Tye MJ

更新日期：1994-12-01 00:00:00

abstract：:Recent advances in the understanding of the metastatic phenomenon in cancer have led to the description of a metastatic niche. This concept describes a site prepared for the tumor cells in areas frequently associated with metastasis for the individual tumor studied. This niche is a "soil" that allows for the tumor cel...

journal_title：Journal of cutaneous pathology

authors： Mihm MC Jr,Nelson JS

更新日期：2010-04-01 00:00:00

abstract：:Two patients with solitary lesions of pagetoid reticulosis are presented. A third case with disseminated lesions and similar microscopic detail is also reported. Lighg microscopic findings include an abnornal cell infiltrate confined to the epidermis and distributed diffusely in a pagetoid pattern. In ultrathin sectio...

journal_title：Journal of cutaneous pathology

authors： Wood WS,Killby VA,Stewart WD

更新日期：1979-04-01 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：BACKGROUND:Src-family tyrosine kinases (SFKs) are important regulators of keratinocyte growth and differentiation. In a broad range of cell types, persistent activation of SFKs correlates with increased cell proliferation. In this study, we determined if SFK activity is increased in cutaneous neoplasia and psoriasis, c...

journal_title：Journal of cutaneous pathology

authors： Ayli EE,Li W,Brown TT,Witkiewicz A,Elenitsas R,Seykora JT

更新日期：2008-03-01 00:00:00

abstract：:A giant cell fibroblastoma (GCF) presented in the subcutis of the breast in a 13-month-old girl which recurred 6 years later as a dermal and subcutaneous neoplasm whose patterns were in part GCF and spindle cells with a storiform configuration resembling dermatofibrosarcoma protuberans (DFSP). The issue remains unsett...

journal_title：Journal of cutaneous pathology

authors： Perry DA,Schultz LR,Dehner LP

更新日期：1993-10-01 00:00:00

abstract：:Although the histogenesis of sebaceous carcinomas remains unclear, the occurrence of intraepidermal or intraepithelial sebaceous carcinoma in the epidermis or conjunctiva may suggest de novo histogenesis. This report describes a case of sebaceous carcinoma within preexisting rippled/carcinoid pattern sebaceoma. This l...

journal_title：Journal of cutaneous pathology

authors： Misago N,Toda S

更新日期：2016-01-01 00:00:00

abstract：:We report a case of disseminated Trichosporon asahii in a patient on systemic antifungal therapy who presented with multiple cutaneous nodules suggestive of fungal infection. Histologic features resembled neutrophilic eccrine hidradenitis but staining with periodic acid-Schiff and Gomori methenamine silver confirmed t...

journal_title：Journal of cutaneous pathology

authors： Galligan ER,Fix L,Husain S,Zachariah P,Yamashiro DJ,Lauren CT

更新日期：2019-02-01 00:00:00

abstract：BACKGROUND:Cutaneous Rosai-Dorfman disease (CRDD) shares the histopathological features of abundant plasma cells and stromal fibrosis with IgG4-related sclerosing disease. The possible role of IgG4+ plasma cells in CRDD was investigated. METHODS:Twelve cases of CRDD were reviewed, and their lesions were immunostained ...

journal_title：Journal of cutaneous pathology

authors： Kuo TT,Chen TC,Lee LY,Lu PH

更新日期：2009-10-01 00:00:00

abstract：:During the past decade, a group of cells located in the dermis and possessing a dendritic morphology have emerged from obscurity and become recognized as important members of the "dermal immune system". This group of cells is characterized by a considerable degree of immunophenotypic and functional heterogeneity. In t...

journal_title：Journal of cutaneous pathology

authors： Nestle FO,Nickoloff BJ

更新日期：1995-10-01 00:00:00

abstract：:Benign fibrous histiocytoma of the skin or dermatofibroma (DF) has been regarded as a fibrohistiocytic tumor. Whether DF is a neoplastic growth or a reactive process has not been settled. Since a neoplastic process is clonal in nature, clonal analysis of DF was conducted to see if DF is a clonal disease. Fresh specime...

journal_title：Journal of cutaneous pathology

authors： Chen TC,Kuo T,Chan HL

更新日期：2000-01-01 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:Merkel cell carcinoma (MCC) is a rare and aggressive neuroendocrine tumor arising predominantly on sun-exposed skin of older and usually immunosuppressed individuals. METHODS:Using data from NCI's SEER (Surveillance, Epidemiology, and End Results) Program from 1973 to 2006, we analyzed the demographics and ...

journal_title：Journal of cutaneous pathology

authors： Albores-Saavedra J,Batich K,Chable-Montero F,Sagy N,Schwartz AM,Henson DE

更新日期：2010-01-01 00:00:00

abstract：:Melanoma ex blue nevus (MEBN) is a rare, aggressive, and potentially lethal neoplasm. Distinguishing MEBN from an atypical cellular blue nevus can be very challenging. We report a diagnostically difficult case of MEBN with lymph node metastases, in which single nucleotide polymorphism array and fluorescence in situ hy...

journal_title：Journal of cutaneous pathology

authors： Castillo SA,Pham AK,Barton DT,Lefferts JA,Yan S,Bridge JA,Linos K

更新日期：2019-03-01 00:00:00