Epidermolytic hyperkeratosis within infundibular cysts.

abstract：:Mycosis fungoides (MF) is a rare type of non-Hodgkin's lymphoma affecting the skin. Because MF develops slowly over several years and may have a variety of clinical presentations, including itchy patches, plaques or tumors that may be confused with common benign conditions such as eczema and psoriasis, the disease pre...

journal_title：Journal of cutaneous pathology

authors： Reddy K,Bhawan J

更新日期：2007-07-01 00:00:00

abstract：:Trichilemmoma is considered a benign neoplasm derived from the outer root sheath of the hair follicle. Although the histogenesis of the lesion is unknown, a relationship between human papillomavirus (HPV) infection and development of these tumors has been suggested on morphologic observations. In order to determine wh...

journal_title：Journal of cutaneous pathology

authors： Leonardi CL,Zhu WY,Kinsey WH,Penneys NS

更新日期：1991-06-01 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：:Cutaneous leiomyomata, which are benign smooth muscle neoplasms, commonly present as dermal-based nodules or papules with smooth borders and firm consistency. Digital, particularly subungual leiomyomata are quite rare. A 16-year-old female presented to nail clinic complaining of discoloration of the lunula of the left...

journal_title：Journal of cutaneous pathology

authors： Komforti M,Selim MA,Bellet JS

更新日期：2016-04-01 00:00:00

abstract：BACKGROUND:As the molecular mechanisms in melanoma chemoresistance remain unknown to date, we hypothesized these tumors to express the ATP-binding cassette (ABC) transporter G2 (ABCG2/MXR/BCRP1/ABCP1), a recently detected membrane transporter and putative stem-cell marker. Besides melanoma, we addressed the neuroendocr...

journal_title：Journal of cutaneous pathology

authors： Deichmann M,Thome M,Egner U,Hartschuh W,Kurzen H

更新日期：2005-08-01 00:00:00

abstract：BACKGROUND:The migration of circulating monocytes into the dermis is considered to be essential for both the initiation and the progression of xanthoma. The contribution of vascular endothelial cells to the migration process is unclear. METHODS:Twenty cases of xanthelasma and six cases of tuberous xanthoma lesions wer...

journal_title：Journal of cutaneous pathology

authors： Matsumoto M,Kunimitsu S,Wada K,Ikeda M,Yokogawa M,Keyama A,Kodama H

更新日期：2007-10-01 00:00:00

abstract：BACKGROUND:The cell origin of dermatofibroma (DF) has not been clarified satisfactorily. This study was undertaken to assess the distribution of fibroblasts and the relationship between fibroblasts and other constituent cells in DF by 47-kDa heat-shock protein (HSP47), a cell marker for skin fibroblast. METHODS:Immuno...

journal_title：Journal of cutaneous pathology

authors： Kuroda K,Tajima S

更新日期：2008-01-01 00:00:00

abstract：INTRODUCTION:The atypical fibroxanthoma (AFX) is considered by most authorities to represent a superficial or minimally invasive variant of malignant fibrous histiocytoma that most often presents as a solitary nodule on the sun-exposed skin of the elderly. Among the rarest variants is the clear cell AFX, a lesion which...

journal_title：Journal of cutaneous pathology

authors： Crowson AN,Carlson-Sweet K,Macinnis C,Taylor JR,Battaglia T,LaMar WL,Minor D,Sutter S,Hill T

更新日期：2002-07-01 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：:Nm23 is a gene with a putative metastasis-suppressor function, whose expression is inversely correlated with the metastatic potential of some solid malignancies. Because very few data exist concerning the role of nm23 in skin tumors, we studied the immunohistochemical expression of nm23 gene product in frozen sections...

journal_title：Journal of cutaneous pathology

authors： Kanitakis J,Euvrard S,Bourchany D,Faure M,Claudy A

更新日期：1997-03-01 00:00:00

abstract：:High-pressure paint guns deliver paint at approximately 3000 pounds per square inch. At this pressure, paint will penetrate the skin and spread quickly through fascial planes and tendon sheaths. The present case is that of a lesion from the finger of a 35-year-old white male in whom a history was initially unavailable...

journal_title：Journal of cutaneous pathology

authors： Stefanato CM,Turner MS,Bhawan J

更新日期：2005-02-01 00:00:00

abstract：BACKGROUND:Sebaceous tumors are adnexal neoplasms showing sebocytic differentiation. They range from benign to malignant and are associated with Muir-Torre syndrome (MTS). Several clinical and histopathological features associated with MTS have been described. Sebaceous tumors with an overlying cutaneous horn are extre...

journal_title：Journal of cutaneous pathology

authors： Jhuang JY,Liao SL,Tsai JH,Chang HC,Kuo KT,Liau JY

更新日期：2014-08-01 00:00:00

abstract：BACKGROUND:Distinguishing an irritated seborrheic keratosis (ISK) from a squamous cell carcinoma in situ (SCCIS) can occasionally be challenging, both histologically and clinically. The purpose of this study was to determine if an immunohistochemical profile of select markers can aid in differentiating these two entiti...

journal_title：Journal of cutaneous pathology

authors： Richey JD,Deng AC,Dresser K,O'Donnell P,Cornejo KM

更新日期：2018-08-01 00:00:00

abstract：:Free-living amebae are ubiquitous in our environment, but rarely cause cutaneous infection. Balamuthia mandrillaris has a predilection for infecting skin of the central face. Infection may be restricted to the skin or associated with life-threatening central nervous system (CNS) involvement. We report a case of a 91-y...

journal_title：Journal of cutaneous pathology

authors： Chang OH,Liu F,Knopp E,Muehlenbachs A,Cope JR,Ali I,Thompson R,George E

更新日期：2016-10-01 00:00:00

abstract：:Lichen aureus is a rare disease of unknown origin that is classified under the group of pigmented purpuric dermatoses. Its most important differential diagnosis is both clinically and histologically mycosis fungoides, into which the disease can proceed in very rare cases. We describe an unusual multilocular lichen aur...

journal_title：Journal of cutaneous pathology

authors： Yazdi AS,Mayser P,Sander CA

更新日期：2008-10-01 00:00:00

abstract：AIM:In the absence of mites, the histologic diagnosis of human scabies can be difficult. Scabies can mimic a variety of inflammatory and lymphoproliferative disorders. It is under-recognized that scabies can also mimic Langerhans cell histiocytosis. METHODS:Sixteen examples of scabies were reviewed histologically and ...

journal_title：Journal of cutaneous pathology

authors： Bhattacharjee P,Glusac EJ

更新日期：2007-09-01 00:00:00

abstract：:Folliculo-sebaceous cystic hamartoma (FCH) was described as an entity recently and was defined as an adnexal hamartoma, showing above all an infundibular cystic structure linked to many sebaceous lobules. Differentiation toward the inferior segment of the hair follicle also occurs, although to a markedly lesser degree...

journal_title：Journal of cutaneous pathology

authors： Schulz T,Hartschuh W

更新日期：1998-08-01 00:00:00

abstract：:"Adenoma sebaceum of Pringle" (ASP) is a misnomer. The tumor is not an adenoma and is not derived from sebaceous glands. The lesion is characterized by dermal fibrosis and associated vascular proliferation and dilatation. Changes in contiguous sebaceous glands and other adnexal structures are merely secondary. Thus, "...

journal_title：Journal of cutaneous pathology

authors： Sanchez NP,Wick MR,Perry HO

更新日期：1981-12-01 00:00:00

abstract：:We studied the degenerative "ancient" changes in 19 cases of benign cutaneous schwannoma (BCS). Using conventional and immunohistochemical stains, we found (a) degenerative changes in 15 of 19 BCS; (b) prominent vascular abnormalities in 11 of 15 BCS; and (c) cytologic atypia in 15 of 19 BCS, without mitotic figures. ...

journal_title：Journal of cutaneous pathology

authors： Argenyi ZB,Balogh K,Abraham AA

更新日期：1993-04-01 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：: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：BACKGROUND:Molluscum contagiosum (MC) is a Molluscipox virus infection of keratinocytes with hyperplasia and intracytoplasmic inclusions - the molluscum bodies (MBs). Few papers address cytokeratins (K) profile in MC, mainly focusing terminal keratinization process. METHODS:Forty-one MC lesions were subjected to immun...

journal_title：Journal of cutaneous pathology

authors： Callegaro CF,Sotto MN

更新日期：2009-12-01 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：:Clinical and histologic features of 44 invasive squamous cell carcinomas of the lip treated by surgical excision were correlated with metastases and survival. Age, diameter, ulceration, grade, depth of invasion, muscle invasion, mitotic rate, lymphatic-vascular invasion, and tumor infiltrating lymphocytes were evaluat...

journal_title：Journal of cutaneous pathology

authors： Stein AL,Tahan SR

更新日期：1994-02-01 00:00:00

abstract：:Until recently the number of patients with syphilis has been diminishing. Although that trend has reversed cases of tertiary syphilis are rare and often difficult to diagnose as a substantial number of patients will have a negative rapid plasma reagin. Histologically, cutaneous lesions in late stage syphilis exist in ...

journal_title：Journal of cutaneous pathology

authors： Boyd AS

更新日期：2016-11-01 00:00:00

abstract：BACKGROUND:Melanoma staging has depended on depth of invasion (Breslow thickness, BT), mitotic rate (MR) and ulceration. In anticipation of the AJCC's eighth edition, variability in pathologists' assessment of these factors and consequently in tumor staging was assessed. METHODS:One-hundred and fifteen cases of invasi...

journal_title：Journal of cutaneous pathology

authors： Taylor L,Hood K,Reisch L,Elmore J,Piepkorn M,Barnhill R,Knezevich S,Radick A,Elder D

更新日期：2018-08-01 00:00:00

abstract：:Immunotherapies targeting cytotoxic T-lymphocyte-associated antigen 4 (CTLA-4) and the programmed cell death 1 (PD-1) receptor and its ligand (PD-L1) have showed significant therapeutic benefit in patients with clinically advanced solid malignancies, including melanoma. However, immune-related adverse events (irAE) ar...

journal_title：Journal of cutaneous pathology

authors： Trinidad C,Nelson KC,Glitza Oliva IC,Torres-Cabala CA,Nagarajan P,Tetzlaff MT,Ivan D,Hwu WJ,Prieto VG,Curry JL,Aung PP

更新日期：2018-07-01 00:00:00

abstract：BACKGROUND:Changes in the clinical appearance of benign dermal nevi during pregnancy may be concerning for malignant transformation. Because the hormonal milieu of pregnancy has not proven to alter their banal behavior, histologic characterization is needed to prevent over-diagnosis and unnecessary treatment. METHODS:...

journal_title：Journal of cutaneous pathology

authors： Chan MP,Chan MM,Tahan SR

更新日期：2010-08-01 00:00:00

abstract：:The usual method for detecting spirochetes in tissue sections is the silver stain; however, they are often difficult to detect due to marked background staining commonly seen with this technique. In certain clinical settings, such as neurosyphilis, congenital syphilis, and immunosuppressive conditions including human ...

journal_title：Journal of cutaneous pathology

authors： Hoang MP,High WA,Molberg KH

更新日期：2004-10-01 00:00:00

abstract：:Acral pseudolymphomatous angiokeratoma of children (APACHE) is a disease comprised by a dense dermal infiltrate of B-lymphocytes and T-lymphocytes in which prominent blood vessels with plump endothelium are found. In the past, the lesion was interpreted as a variant of angiokeratoma, a vascular malformation, or a nevu...

journal_title：Journal of cutaneous pathology

authors： Fernandez-Flores A,Fierro S,Larralde M

更新日期：2015-01-01 00:00:00