Eosinophilic ulcers of the tongue.

abstract：:The low-fat and fat-free spindle cell lipomas (SCLs) are rare and often mistaken for other benign and malignant morphological mimics, because of the fact that the diagnosis relies on its non-lipogenic component analysis. Here, we report the clinicopathological features of two oral SCLs (low-fat and fat-free variants)....

journal_title：Journal of cutaneous pathology

authors： Rocha AFL,Miotto LN,Ferrisse TM,Silveira HA,Almeida LY,Bufalino A,Navarro CM,León JE

更新日期：2019-10-01 00:00:00

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:BRAF, a serine/threonine kinase, is a component of the retrovirus-associated sequence (RAS)-RAF-extracellular-regulated protein kinase (ERK)-MAP kinase signal transduction pathway mediating signals from RAS to ERK. The T1796A single point mutation in exon 15 of the BRAF gene has recently been reported in a h...

journal_title：Journal of cutaneous pathology

authors： Palmedo G,Hantschke M,Rütten A,Mentzel T,Hügel H,Flaig MJ,Yazdi AS,Sander CA,Kutzner H

更新日期：2004-03-01 00:00:00

abstract：:Agminated, or grouped Spitz nevi are a curious expression of nevomelanocytic growth; and represent an uncommon manifestation of these nevi. We encountered an example of agminated Spitz nevi present at birth, which showed progression and rapid growth over months. All showed histologic Spitz nevus features. Avidin-bioti...

journal_title：Journal of cutaneous pathology

authors： Palazzo JP,Duray PH

更新日期：1988-06-01 00:00:00

abstract：BACKGROUND:Lichen planopilaris (LPP) and frontal fibrosing alopecia (FFA) represent 2 entities that cause primary cicatricial alopecia. These entities are clinically different; nevertheless, the literature suggests that FFA represents a form of LPP. The main argument in support of this hypothesis is that previous studi...

journal_title：Journal of cutaneous pathology

authors： Gálvez-Canseco A,Sperling L

更新日期：2018-05-01 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

abstract：:Penicillamine-induced cutaneous elastosis perforans serpiginosa associated with a large air-cyst in the right lung is described in a 29-year-old female patient with Wilson disease. Identical light and electron-microscopic changes were present in both dermal and pulmonary elastic tissue, suggesting a disseminated drug-...

journal_title：Journal of cutaneous pathology

authors： Bardach H,Gebhart W,Niebauer G

更新日期：1979-08-01 00:00:00

abstract：BACKGROUND:Rhabdomyosarcoma is a malignant mesenchymal tumor with skeletal muscle differentiation. Primary cutaneous rhabdomyosarcoma is rare. We report a series of 11 cases of primary cutaneous rhabdomyosarcoma. METHODS:Cases diagnosed as rhabdomyosarcoma arising in the dermis/subcutis with no identified primary tumo...

journal_title：Journal of cutaneous pathology

authors： Marburger TB,Gardner JM,Prieto VG,Billings SD

更新日期：2012-11-01 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：: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：:Dermatofibrosarcoma protuberans (DFSP) is a rare soft tissue tumor that arises primarily on the trunk and extremities but seldom on the scalp. Several variants of DFSP have been described, including myxoid DFSP. Although typical DFSP may have focally myxoid areas, myxoid DFSP, in which most of the stroma is myxoid, is...

journal_title：Journal of cutaneous pathology

authors： Tran P,Henderson GP,McLemore M

更新日期：2018-06-01 00:00:00

abstract：BACKGROUND:Cutaneous epithelioid angiosarcoma is a type of cutaneous angiosarcoma and usually arise both on the head or neck of the elderly. CASE REPORT:An 86-year-old male with an epithelioid angiosarcoma of the scalp that mimicked malignant melanoma. RESULTS:A large irregular dark grey-blue plaque with an adjacent ...

journal_title：Journal of cutaneous pathology

authors： Brightman LA,Demierre MF,Byers HR

更新日期：2006-01-01 00:00:00

abstract：:Long-term survivors of harlequin ichthyosis (HI) have raised a controversy over the differences between HI and lamellar ichthyosis (LI). Abnormal lamellar granules and the failure of conversion from profilaggrin to filaggrin have been reported in HI. On the other hand, malformation of the cornified cell envelope as a ...

journal_title：Journal of cutaneous pathology

authors： Akiyama M,Yoneda K,Kim SY,Koyama H,Shimizu H

更新日期：1996-12-01 00:00:00

abstract：:After intradermal testing with goldsodiumthiomalate (GSTM), 5 out of 8 patients developed skin papules at the test sites, which persisted up to 20 months. The lesions were surgically excised. Histology revealed pseudolymphoma of B and T cell type containing follicular structures and occasional small granulomas. The am...

journal_title：Journal of cutaneous pathology

authors： Kalimo K,Räsänen L,Aho H,Mäki J,Mustikkamki UP,Rantala I

更新日期：1996-08-01 00:00:00

abstract：:An 11-year old Caucasian female with a remote history of urticaria pigmentosa presented with a neck mass. A biopsy demonstrated a large intradermal nodule composed of unusually large epithelioid mast cells, including a prominent subset with bi-lobed and multi-lobed nuclei. By immunohistochemistry, the cells expressed ...

journal_title：Journal of cutaneous pathology

authors： Tran DT,Jokinen CH,Argenyi ZB

更新日期：2009-11-01 00:00:00

abstract：:The arrector pili (AP) muscle is a small band of smooth muscle that attaches proximally to the bulge area of the pilosebaceous apparatus in the reticular dermis and extends up toward the epidermis. The distal anatomy of the AP and the anchorage mechanism allowing hair erection have not been previously described. Integ...

journal_title：Journal of cutaneous pathology

authors： Mendelson JK,Smoller BR,Mendelson B,Horn TD

更新日期：2000-02-01 00:00:00

abstract：:Traditionally, the pigmented purpuric eruptions (PPE) have been subdivided into four histologic categories, based upon variations in histologic pattern and clinical morphologies. In recent years, it has become apparent that the lesions behave similarly, and this family of eruptions has become grouped under the term PP...

journal_title：Journal of cutaneous pathology

authors： Smoller BR,Kamel OW

更新日期：1991-12-01 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：: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：AIM:Adnexal tumors with divergent lines of differentiation are uncommon. Herein, I report a hamartoma of the eyelid with follicular, sebaceous and apocrine differentiation that exhibited prominent melanin pigmentation. METHODS:A 63-year-old white woman had a nodule present on her left upper eyelid for 15 years. The no...

journal_title：Journal of cutaneous pathology

authors： Proia AD

更新日期：2007-11-01 00:00:00

abstract：:Cutaneous lymphadenoma is an uncommon benign neoplasm often considered to be an adamantinoid variant of trichoblastoma. Lesions present in both sexes, between 14 and 87 years of age, and are mainly located on the head and neck. Cases in children are rare and there is only 1 previous case of a congenital lymphadenoma. ...

journal_title：Journal of cutaneous pathology

authors： Fernandez-Flores A,Nicklaus-Wollenteit I,Sathishkumar D,Diba V,Richard B,Carr R,Moss C,Nagy A,Ogboli M,Colmenero I

更新日期：2017-11-01 00:00:00

abstract：:Differing classification schemes for malignant lymphomas have been used in Europe and the United States. Attempts to translate between the principle classifications have been unsuccessful and historically it has been difficult to arrive at an unified approach. In addition, many new lymphoma entities have been recogniz...

journal_title：Journal of cutaneous pathology

authors： Sander CA,Kind P,Kaudewitz P,Raffeld M,Jaffe ES

更新日期：1997-07-01 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：:A tumor of 60 years' duration overlying the sternum of an 87-year-old woman is described. Histologically, the tumor was composed of lobules and cords of epithelial cells with finely granular, eosinophilic cytoplasm. The epithelial nests were floating in large pools of mucinous stroma, separated by thin fibrovascular s...

journal_title：Journal of cutaneous pathology

authors： Sakamoto F,Ito M,Matumura G,Sato Y,Kimura S

更新日期：1991-04-01 00:00:00

abstract：:Syndecan-1 is a cell surface proteoglycan predominantly expressed on the surface of adult epithelial cells, and is normally present in all epidermal layers except for the most superficial terminally differentiated cells. Syndecan-1 mediates cell-cell and cell-extracellular matrix adhesion, thereby influencing cell mor...

journal_title：Journal of cutaneous pathology

authors： Bayer-Garner IB,Sanderson RD,Smoller BR

更新日期：1999-09-01 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：:Immunohistochemical properties were studied in 16 lesions from 11 patients with chordoma involving the skin. There were nine men and two women ranging from 21 to 62 years old (mean, 42.6). The initial tumor was sacrococcygeal in 10 cases and nasopharyngeal in 1 case. Three lesions represented a direct extension from t...

journal_title：Journal of cutaneous pathology

authors： Gagné EJ,Su WP

更新日期：1992-12-01 00:00:00

abstract：:A 4-year-old boy presented with a 6-month history of a red papule on the nasal septum. Physical examination was otherwise unremarkable. A biopsy specimen showed an epithelioid sarcoma characterized by nodular collections of epithelioid tumor cells with central, tumor cell necrosis. By immunohistochemistry the tumor ce...

journal_title：Journal of cutaneous pathology

authors： Billings SD,Hood AF

更新日期：2000-04-01 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：:A cystic panfolliculoma is a benign follicular neoplasm which recapitulates several portions of the hair follicle. The patient was a 64-year-old Caucasian female who presented with a new growth on her right forearm. The lesion had slowly enlarged over the previous 11 months. She complained of it bleeding on several oc...

journal_title：Journal of cutaneous pathology

authors： Neill B,Bingham C,Braudis K,Zurowski S

更新日期：2016-12-01 00:00:00