Search Results for: mastocytosis

Histologic Diagnosis of Inflammatory Skin Diseases

Histiocytosis X

…n adults. Differential diagnosis clinical Seborrheic dermatitis 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….

Histologic Diagnosis of Inflammatory Skin Diseases

Applicable Terms

…in injured severely by ultraviolet light. Telangiectasia may be a sign of specific diseases such as acrosclerosis, a form of mastocytosis (telangiectasia macularis eruptiva perstans), or Osler-Weber-Rendu syndrome (hereditary hemorrhagic…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Wide and Deep Excision for Melanoma?

…s is the number 5 for caf?-au-lait spots indicative of neurofibromatosis, 6 for mast cells per high power field as a sign of mastocytosis, and 6 mm diameter as a criterion for the diagnosis of melanoma in the ABCDs. A surgeon should excise as much…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Urticarial Vasculitis?

…blood vessels and other tissues and are often associated with systemic symptoms.” Grattan CEH, Kobza A. Urticaria and mastocytosis. In: Burns T, Breathnach S, Cox N, et al., eds. Rook’s Textbook of Dermatology, 7th ed. Oxford: Blackwell…

Dermatoscopic findings of atrophic dermatofibrosarcoma protuberans

Dermatoscopic findings of atrophic dermatofibrosarcoma protuberans

…urplish erythematous background (Figure 1B). A skin biopsy was taken with the preliminary diagnosis of morphea and cutaneous mastocytosis. Histopathological examination of H&E (hematoxylin and eosin) stained sections revealed epidermal atrophy,…

Eruptive nevi after burn injury

Eruptive nevi after burn injury

…biologic and non-biologic chemotherapeutics, malignancy, and AIDS. EMN has also been linked to Addison’s disease, cutaneous mastocytosis, melanocyte stimulators, insulin, PUVA, and Koebner phenomenon [1-8]. The relevant differential diagnoses…

Differential Diagnosis in Dermatopathology

Discussions

…ow or yellow-orange lesions. The differential diagnosis clinical 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….