Melanocytic and pseudomelanocytic nests coexist in interface dermatitis from head-neck sun-exposed skin: A report of three cases.

abstract：BACKGROUND:The histogenesis of extramammary Paget's disease (EMPD) is still controversial. Benign pagetoid cells of the nipple first described by Toker and the similar clear cells found in white maculopapules of clear cell papulosis (CCP) have been proposed to be potential precursor cells giving rise to EMPD and primar...

journal_title：Journal of cutaneous pathology

authors： Chen YH,Wong TW,Lee JY

更新日期：2001-02-01 00:00:00

abstract：BACKGROUND:Chronic urticaria is a condition with many inciting factors and often presents a therapeutic challenge to clinicians. In addition to a central role for mast cells, an immune dysregulated state related to cytokine/chemokine alterations is increasingly being recognized. METHODS:Biopsies of chronic urticaria (...

journal_title：Journal of cutaneous pathology

authors： Moy AP,Murali M,Nazarian RM

更新日期：2016-04-01 00:00:00

abstract：:A patient with chronic myelocytic leukemia (CML) in blast transformation with extensive involvement of the skin is reported. The leukemic infiltrates consisted of blasts with lymphoblastoid morphology which were positive for terminal deoxynucleotidyl transferase (TdT) by fluorescent assay. The infiltrates rapidly reso...

journal_title：Journal of cutaneous pathology

authors： Ansell JE,Bhawan J,Pechet L

更新日期：1980-10-01 00:00:00

abstract：:Cell adhesion between surfaces of cells and to extracellular matrices represents a fundamental mechanism in tissue organization and influences the biological behaviour and the architecture of tumors. We investigated the expression of various adhesion molecules in normal skin (n=5), nevi (n=29), and malignant melanoma ...

journal_title：Journal of cutaneous pathology

authors： Tronnier M,Alexander M,Wolff HH

更新日期：1997-05-01 00:00:00

abstract：:Nevic corpuscle in the pigmented nevus was studied under light microscopy in comparison with Meissner corpuscle of the human sole skin in order to determine its ontogenesis. No nerve fibers within nevic corpuscle but coiled fibers in Meissner corpuscle could be demonstrated by Bodian stain. Presence of S-100 protein i...

journal_title：Journal of cutaneous pathology

authors： Sueki H,Iwai M,Kato H,Nishida H

更新日期：1984-04-01 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：:Perifollicular fibroma is a cutaneous hamartomatous proliferation of the pilar connective tissue sheath. We describe a patient with multiple perifollicular fibromas and analyze the literature on this topic. Histologically, perifollicular fibroma is characterized by a concentric arrangement of collagen fibers surroundi...

journal_title：Journal of cutaneous pathology

authors： Junkins-Hopkins JM,Cooper PH

更新日期：1994-10-01 00:00:00

abstract：BACKGROUND:Recently, an intriguing concept was introduced into the literature that defines the area underlying the nail bed as a specific mesenchymal substructure unique to the nail organ. It has been termed onychodermis. The onychodermis expresses CD10 with remarkable specificity. Herein, we compare adult and fetal hu...

journal_title：Journal of cutaneous pathology

authors： Sellheyer K,Nelson P

更新日期：2013-05-01 00:00:00

abstract：BACKGROUND:The histopathologic features of tinea vary widely and its diagnosis could be easily missed if the index of suspicion is not high. We aimed in this study to detect histopathologic features that could be a clue for diagnosis METHODS:We retrospectively reviewed 103 cases of tinea, confirmed by Periodic acid-Sc...

journal_title：Journal of cutaneous pathology

authors： Elbendary A,Valdebran M,Gad A,Elston DM

更新日期：2016-10-01 00:00:00

abstract：BACKGROUND:Nestin is one of the intermediate filaments that are expressed in proliferating neural progenitor cells during development of the central nervous system (CNS) and peripheral nervous system. Postnatal re-expression of the protein occurs mainly under pathological conditions, including injury and neoplasia. In ...

journal_title：Journal of cutaneous pathology

authors： Brychtova S,Fiuraskova M,Hlobilková A,Brychta T,Hirnak J

更新日期：2007-05-01 00:00:00

abstract：:Imiquimod (AldaraTM), a Toll-like receptor 7 agonist (TLR7), is known for its unique properties of being an immune response modifier and stimulator. Upon topical application, this TLR7 agonist triggers a cell-mediated immune response predominantly expressed by dendritic cells and monocytes. Local skin irritation at th...

journal_title：Journal of cutaneous pathology

authors： Barr KL,Konia TH,Fung MA

更新日期：2011-04-01 00:00:00

abstract：:Oral melanoacanthoma is a rarely-reported, benign pigmented lesion of oral mucosa. Spongiosis was only recently mentioned as a light-microscopical finding occasionally seen in oral melanoacanthoma, and the formation of spongiotic intraepithelial vesicles to our knowledge has never been reported. The authors discuss a ...

journal_title：Journal of cutaneous pathology

authors： Zemtsov A,Bergfeld WF

更新日期：1989-12-01 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：:Extramedullary hematopoiesis (EMH) in adults is a rare event, usually associated with myeloid disorders, and can be the first sign of chronic myelomonocytic leukemia. We report a case of EMH presenting as a hemorrhagic panniculitis in a patient who did not apparently present any myeloid disorders. The patient received...

journal_title：Journal of cutaneous pathology

authors： Gallo G,Bigliardi S,Cesinaro AM

更新日期：2019-10-01 00:00:00

abstract：BACKGROUND:Transepithelial elimination is a process by which dermal materials are expelled through an active epithelial-dermal connective tissue interaction. It has been described as a regular or sporadic occurrence in a variety of dermatologic conditions, including sarcoidosis. OBSERVATION:Our patient demonstrated a ...

journal_title：Journal of cutaneous pathology

authors： Ismail A,Beckum K,McKay K

更新日期：2014-01-01 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:Cutaneous tumor metastasis may be the first manifestation of cancer, but more often is a harbinger of advanced disease that portends an ominous prognosis. All skin accessions over the past 10 years from a large Veterans Administration (VA) hospital were reviewed. METHODS:Archived histories, glass slides, an...

journal_title：Journal of cutaneous pathology

authors： Saeed S,Keehn CA,Morgan MB

更新日期：2004-07-01 00:00:00

abstract：:Papillary renal cell carcinoma (RCC) is an uncommon subtype of RCC that is typically encountered at early stages and has a high survival rate. Histopathology typically shows well-defined papillary architecture with tumor cells lining fibrovascular cores and can be further subdivided into type 1 and type 2 tumors based...

journal_title：Journal of cutaneous pathology

authors： Cardwell LA,Bender NR,Sokumbi O

更新日期：2019-12-01 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：BACKGROUND:Papillomatous stoma-related skin lesions may result from irritant reactions or infection with epidermodysplasia verruciformis human papillomavirus (HPV) types. METHODS:We report upon a papillomatous lesion at the ileostoma of a 63-year-old male with familial adenomatous polyposis and colorectal adenocarcino...

journal_title：Journal of cutaneous pathology

authors： Williams CM,Wieland U,Rodning CB,Horenstein MG

更新日期：2003-04-01 00:00:00

abstract：:The term "outer root sheath acanthoma" is proposed to specify a distinctive keratosis exhibiting outer root sheath differentiation. This lesion features anastamosing columns of keratinocytes emanating from the undersurface of the epidermis that respectively demonstrate, with progressive descent into the upper dermis, ...

journal_title：Journal of cutaneous pathology

authors： Reichel M,Heilman ER

更新日期：1999-10-01 00:00:00

abstract：:The internal organization of plasma membranes was studied in seven subjects with pemphigus vulgaris and in one subject with familial pemphigus using the freeze-fracture technique. The results obtained seem to suggest that the acantholytic process is produced in a similar fashion whatever the pathogenic agent and that ...

journal_title：Journal of cutaneous pathology

authors： Caputo R,Innocenti M,Gasparini G

更新日期：1980-04-01 00:00:00

abstract：:A 24-year-old black woman from Uganda was seen for treatment of multiple papules on her hands and feet. The lesions corresponded microscopically to foci of hyperkeratosis and acanthosis. Acid orcein stain revealed marked elastic fiber fragmentation. Acrokeratoelastoidosis of Costa (AKE) was diagnosed. The same damage ...

journal_title：Journal of cutaneous pathology

authors： Fiallo P,Pesce C,Brusasco A,Nunzi E

更新日期：1998-11-01 00:00:00

abstract：:An extensive congenital melanocytic nevus is described which, in its deeper portion, had striking neurofibromatous features. At the dermal subcutaneous junction, there were prominent subendothelial collections of nevus cells in large veins. Similar findings have been described in neurofibromatosis. The apparent relati...

journal_title：Journal of cutaneous pathology

authors： Santa Cruz DJ,Bashiti H

更新日期：1979-12-01 00:00:00

abstract：:We describe the case of a cutaneous symplastic leiomyoma in a 37-year-old woman who presented with a 4-year history of a painful slow growing lesion on the left upper arm. The lesion was excised and subjected to histological examination. A poorly circumscribed lesion was seen in the dermis composed of spindle shaped c...

journal_title：Journal of cutaneous pathology

authors： Usmani N,Merchant W,Yung A

更新日期：2008-03-01 00:00:00

abstract：:A case is presented of white plaques occurring predominantly on the vulvar mucosa of a 28-year-old female diagnosed as white sponge nevus (WSN). WSN is a rare, autosomal dominant disorder involving mucous membranes. It predominantly affects the oral mucosa; however, it has been reported to rarely involve extraoral muc...

journal_title：Journal of cutaneous pathology

authors： Cutlan JE,Saunders N,Olsen SH,Fullen DR

更新日期：2010-03-01 00:00:00

abstract：:As many as 40% of all primary cutaneous melanomas can have histologic remnants of nevomelanocytic nevi adjacent to the tumor. There is increasing evidence that dysplastic nevi are at least a clinical marker for melanoma risk. Spitz nevi are not known for such an association, but are noteworthy because of their histolo...

journal_title：Journal of cutaneous pathology

authors： Winokur TS,Palazzo JP,Johnson WC,Duray PH

更新日期：1990-12-01 00:00:00

abstract：:The so-called perivascular epithelioid cell neoplasm (PEComa) family includes angiomyolipoma, clear cell 'sugar' tumor (CCST), lymphangioleiomyomatosis, and clear cell myomelanocytic tumor (CCMMT). These rare tumors are characterized by the co-expression of melanocytic and muscle markers. They have been recognized in ...

journal_title：Journal of cutaneous pathology

authors： de Saint Aubain Somerhausen N,Gomez Galdon M,Bouffioux B,Courtin C,Theunis A,Vogeleer MN,Myant N

更新日期：2005-07-01 00:00:00

abstract：:A 57-year-old woman with cutaneous mastocytosis of 23 years duration developed a hyperpigmented abdominal plaque composed of confluent indurated papules that enlarged for a period of 1 year to 12 x 8 cm. Biopsy showed dermal infiltration by closely packed spindle-shaped mast cells, fibroblasts, collagen, and scattered...

journal_title：Journal of cutaneous pathology

authors： Wood C,Sina B,Webster CG,Kurgansky D,Drachenberg CB,Reedy EA

更新日期：1992-04-01 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