Search Results for: mastocytosis

Histologic Diagnosis of Inflammatory Skin Diseases

Histiocytosis X

…of the scalp is less papular and lacks a purpuric component. Mastocytosis, when papular, consists of widespread yellow-brown lesions devoid of purpura; papules urticate when rubbed. Miscues clinical as clues to diagnosis histopathologic Histiocytosi…

Histologic Diagnosis of Inflammatory Skin Diseases

Applicable Terms

…a sign of specific diseases such as acrosclerosis, a form of mastocytosis (telangiectasia macularis eruptiva perstans), or Osler-Weber-Rendu syndrome (hereditary hemorrhagic telangiectasia). Telangiectasia is an essential component of poikiloderma,…

Dermatology Practical & Conceptual

Multiple painful brownish plaques associated with local hyperhidrosis

…mus tumor, blue rubber bleb nevus, and macular telangiectatic mastocytosis [3]. Definitive diagnosis of EAH is based on clinicopathological correlation. As EAH is a benign, slow-growing lesion, aggressive treatment is not indicated. Simple excision i…

Dermatology Practical & Conceptual

Study By Disease

…z #777) Urticaria pigmentosa (Quiz #13) Urticaria pigmentosa (mastocytosis) (Quiz #186) Urticaria pigmentosa (telangiectasia macularis eruptiva perstans) (Quiz #503) Urticarial papules in response to “bites” directly of insects. (Quiz #21…

Differential Diagnosis in Dermatopathology

Discussions

…l of juvenile xanthogranuloma is nodular lesions of childhood mastocytosis. Unlike the situation in adults, in whom a lesion of xanthogranuloma does not involute, those in children do. Lesions of juvenile xanthogranuloma have been associated at times…

Dermatology Practical & Conceptual

Dermatoscopic findings of atrophic dermatofibrosarcoma protuberans

…taken with the preliminary diagnosis of morphea and cutaneous mastocytosis. Histopathological examination of H&E (hematoxylin and eosin) stained sections revealed epidermal atrophy, increase in melanin in basal keratinocytes and heavy dermal cell…