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Combined Mastocytoma-hemangioma in a Patient with Urticaria Pigmentosa
승나르,강민희,박은주,김철우,조희진,김광호,김광중 대한피부과학회 2008 Annals of Dermatology Vol.20 No.3
A patient with long-standing urticaria pigmentosa presented with a pea-sized reddish to purplish papule on the posterior part of the right ear. Histopathologic examination revealed numerous dilated vascular structures in the upper dermis and mast cell infiltrations throughout the whole dermis, consistent with combined mastocytoma-hemangioma. The mast cells were strongly positive with Giemsa stain. (Ann Dermatol (Seoul) 20(3) 153∼156, 2008) A patient with long-standing urticaria pigmentosa presented with a pea-sized reddish to purplish papule on the posterior part of the right ear. Histopathologic examination revealed numerous dilated vascular structures in the upper dermis and mast cell infiltrations throughout the whole dermis, consistent with combined mastocytoma-hemangioma. The mast cells were strongly positive with Giemsa stain. (Ann Dermatol (Seoul) 20(3) 153∼156, 2008)
승나르 ( Na Reu Seung ),정석준 ( Suck Joon Jung ),박은주 ( Eun Joo Park ),김철우 ( Chul Woo Kim ),조희진 ( Hee Jin Cho ),김광호 ( Kwang Ho Kim ),김광중 ( Kwang Joong Kim ) 대한피부과학회 2007 대한피부과학회지 Vol.45 No.5
Cutaneous, diffuse, large B-cell lymphoma (DLBCL) is characterized by a diffuse dermal infiltration which is composed of large centroblasts and immunoblasts. It is subdivided into a primary form arising from the skin and a secondary form which is metastasized from the lymph node. Secondary DLBCL has a more aggressive clinical course than the primary form. We report a 39-year-old female patient who presented with a 2 cm sized, erythematous, subcutaneous nodule on her left upper arm. She had been treated for brain-diffuse, large B-cell lymphoma which occurred 5 years before. The histopathologic and immunohistochemical examinations of the skin lesion also showed diffuse, large, B-cell lymphoma. (Korean J Dermatol 2007;45(5):458~461)