CD44 and hyaluronate expression in follicular mucinosis.

abstract：:Large cell neuroendocrine carcinoma (LCNEC) of the larynx is an aggressive form of neuroendocrine carcinoma that affects smokers at an average age of 60 years. LCNEC is characterized by large cells with round to ovoid nuclei distributed in a trabecular or nested growth pattern. Previously, laryngeal LCNEC and atypical...

journal_title：Journal of cutaneous pathology

authors： Dunn A,Broadfoot BG,Hunt J,Kaley JR,Atiq O,Gutta NB,Wang X,Gardner JM,Shalin SC

更新日期：2018-03-01 00:00:00

abstract：BACKGROUND:Pemphigoides gestationis (PG) is a blistering disorder of pregnancy caused by antibodies against basement membrane proteins. They are directed against the 180 kD bullous pemphigoid antigen (BPAg2), towards the epitopes within the NC 16A domain. There are many similarities between pemphigoid gestationis and b...

journal_title：Journal of cutaneous pathology

authors： Patton T,Plunkett RW,Beutner EH,Deng JS,Jukic DM

更新日期：2006-04-01 00:00:00

abstract：:Pleomorphic fibromas represent dome-shaped or polypoid cutaneous lesions characterized by a paucicellular and densely fibrotic background punctuated by scattered atypical to pleomorphic spindle and multinucleated giant cells. Some of these tumors will have incorporated adipose tissue, although these adipocytic areas l...

journal_title：Journal of cutaneous pathology

authors： Al-Zaid T,Wang WL,Lopez-Terrada D,Lev D,Hornick JL,Hafeez Diwan A,Fletcher CD,Lazar AJ

更新日期：2013-04-01 00:00:00

abstract：:We describe a patient with thrombocytopenia-absent radius (TAR) syndrome, multisystemic Langerhans cell histiocytosis and multiple reticulohistiocytomas. A mutational study by massive sequencing identified the Val600Glu (V600E) BRAF mutation in the Langerhans cell histiocytosis lesions, but no molecular alterations we...

journal_title：Journal of cutaneous pathology

authors： Hipólito LN,Mendoza-Cembranos MD,Villaescusa MT,Jo-Velasco M,Requena L,Alegría-Landa V

更新日期：2019-08-01 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：:This study compared the fine structure of macromelanosomes with that of giant melanosome complexes formed through melanosomal autophagocytosis in nevocytes and melanocytes of nevocellular nevi, lentigo simplex and malignant melanoma. While macromelanosomes were found only on rare occasions in these pigmentary disorder...

journal_title：Journal of cutaneous pathology

authors： Horikoshi T,Jimbow K,Sugiyama S

更新日期：1982-10-01 00:00:00

abstract：:A 48 year-old white male with basal cell nevus syndrome presented with a metastatic basal cell carcinoma with neuroendocrine features. The tumor manifested aggressive behavior, having deep local invasion and metastases to para-aortic lymph nodes and bone. Neuroendocrine differentiation has rarely been associated with ...

journal_title：Journal of cutaneous pathology

authors： Tawfik O,Casparian JM,Garrigues N,Smith S,Kestenbaum T,Chamberlin F,Khan QS

更新日期：1999-07-01 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：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：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：:Psoriasis is characterized by immune activation, increased proliferation and abnormal differentiation of keratinocytes. The reported anti-psoriatic mechanisms of action in vivo of vitamin D analogues include reduction of keratinocyte proliferation and induction of keratinocyte terminal differentiation. We investigated...

journal_title：Journal of cutaneous pathology

authors： Lu I,Gilleaudeau P,McLane JA,Heftler N,Kamber M,Gottlieb S,Krueger JG,Gottlieb AB

更新日期：1996-10-01 00:00:00

abstract：:We have quantified perivascular mast cells in cases of urticaria pigmentosa, urticaria, and dermal hypersensitivity reactions. To facilitate reproducibility, the mast cells were counted for a precisely defined vessel unit. These vessel units were divided arbitrarily into those < or = 55 microns and > 55 microns in lar...

journal_title：Journal of cutaneous pathology

authors： Sweet WL,Smoller BR

更新日期：1996-06-01 00:00:00

abstract：:We report a new case of a Japanese man who developed a tubular apocrine adenoma in association with syringocystadenoma papilliferum. The differences in the histopathological and immunohistochemical findings in these 2 tumors are described. This is the first immunohistochemical study of tubular apocrine adenoma. ...

journal_title：Journal of cutaneous pathology

authors： Ansai S,Watanabe S,Aso K

更新日期：1989-08-01 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：: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：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：:Acquired perforating calcific collagenosis (APCC), which is characterized by the calcification of dermal collagen fibers with subsequent transepidermal elimination and perforation, is an extremely rare entity. Thus far, it has only been reported in a patient with direct contact exposure to calcium chloride. Here, we r...

journal_title：Journal of cutaneous pathology

authors： Wang FY,Ng CY,Wu J,Kuo KL,Chang YY,Kuo TT

更新日期：2019-01-01 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：:CD44, a family of closely related glycoproteins generated by alternative splicing, as well as the increased beta 1,6-branching of Asn-linked oligosaccharides (beta 1,6-branches), have been implicated in tumor progression and metastasis. We have investigated the expression of CD44 standard (CD44s), various CD44 splice ...

journal_title：Journal of cutaneous pathology

authors： Seelentag WK,Böni R,Günthert U,Futo E,Burg G,Heitz PU,Roth J

更新日期：1997-04-01 00:00:00

abstract：:Nivolumab is a programmed cell death receptor-1 (PD-1) antibody used in the treatment of metastatic or unresectable melanoma. Cutaneous reactions are the most common adverse events reported with these agents and are rarely severe or life-threatening. Here we present a case report describing the clinicopathological fin...

journal_title：Journal of cutaneous pathology

authors： Vivar KL,Deschaine M,Messina J,Divine JM,Rabionet A,Patel N,Harrington MA,Seminario-Vidal L

更新日期：2017-04-01 00:00:00

abstract：:Two cases of tubular apocrine adenoma were studied by light, histochemical, and electron microscopic methods. This benign apocrine hamartoma must be considered in the classification of appendage tumors, particularly those associated with organoid epithelial nevus, and may be confused with metastatic adenocarcinoma. Th...

journal_title：Journal of cutaneous pathology

authors： Umbert P,Winkelmann RK

更新日期：1976-01-01 00:00:00

abstract：BACKGROUND:Apocrine carcinomas are rare, the immunohistochemical characterizations that are incomplete. The purpose of this study was to determine the immunohistochemical characteristics of mucin core proteins and keratins in apocrine carcinoma, extramammary Paget's disease (EMPD) and apocrine nevus. METHODS:We report...

journal_title：Journal of cutaneous pathology

authors： Miyamoto T,Inoue S,Adachi K,Takada R

更新日期：2009-05-01 00:00:00

abstract：:Infundibulocystic basal cell carcinoma (IBCC) is a relatively recently described variant of basal cell carcinoma that is controversial and not universally accepted. Excluding cases of nevoid basal cell carcinoma syndrome, IBCC usually presents as a small, solitary, superficial lesion on the face of older persons. Ther...

journal_title：Journal of cutaneous pathology

authors： Kagen MH,Hirsch RJ,Chu P,McCormack PC,Weinberg JM

更新日期：2000-07-01 00:00:00

abstract：:Disseminated bacillus Calmette-Guérin infection (BCGitis) is an uncommon condition which is usually associated with primary immunodeficiency. Skin histopathology findings have been described in rare cases only. A retrospective clinicopathological study was performed to assess the potential utility of skin biopsies in ...

journal_title：Journal of cutaneous pathology

authors： Gantzer A,Neven B,Picard C,Brousse N,Lortholary O,Fischer A,Bodemer C,Fraitag S

更新日期：2013-01-01 00:00:00

abstract：:We report a facial tumor that was proven to be a metastatic mesothelioma. The diagnosis was not established pre-mortem. The patient died shortly after the facial biopsy, and an autopsy revealed a large pleural-based mass which had the gross appearance typical of a mesothelioma. Electron microscopic examination of tiss...

journal_title：Journal of cutaneous pathology

authors： Dutt PL,Baxter JW,O'Malley FP,Glick AD,Page DL

更新日期：1992-12-01 00:00:00

abstract：:The main histopathological features in the cutaneous lesions of Churg-Strauss syndrome (CSS) are dermal leukocytoclastic vasculitis with a variable eosinophilic infiltrate and non-vasculitic tissue eosinophilia with granuloma formation. This wide histopathological spectrum may account for the various skin manifestatio...

journal_title：Journal of cutaneous pathology

authors： Ishibashi M,Kudo S,Yamamoto K,Shimai N,Chen KR

更新日期：2011-03-01 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：:Pilomatrix (pilomatrical) carcinoma is a rare cutaneous adnexal tumor with matrical differentiation and recurrent and metastatic potential. Sarcomatoid pilomatrix carcinoma is a rare variant which shows a sarcomatoid component intermingling with the epithelial one. There are only 4 cases previously published. We prese...

journal_title：Journal of cutaneous pathology

authors： Fernandez-Flores A,Cassarino DS

更新日期：2018-07-01 00:00:00

abstract：:The authors report the occurrence of lichenoid and/or subacute lupus erythematosus-like eruptions in a group of patients receiving agents with antihistaminic properties. In 1 of the patients the eruption clinically resembled lichen planus, while in 5 patients the eruption resembled subacute cutaneous lupus erythematos...

journal_title：Journal of cutaneous pathology

authors： Crowson AN,Magro CM

更新日期：1999-02-01 00:00:00

abstract：:We present a challenging case of chronic, erosive, scarring dermatosis of the vulva with clinical features of long standing lichen sclerosus (LS), namely pallor and loss of vulval architecture, but with histopathology consistently showing features of an acantholytic process. The history and clinical features of this c...

journal_title：Journal of cutaneous pathology

authors： Haddadeen C,Theaker J,Rowen D,Lotery H

更新日期：2020-01-01 00:00:00