Search Results for: papule

Histologic Diagnosis of Inflammatory Skin Diseases

Lichen planus

…infiltrates of lymphocytes once were present there. Clinically, a blister in lichen planus does not form atop an established papule or plaque of the disease, and histopathologically, it is not associated with a lichenoid infiltrate of lymphocytes….

Histologic Diagnosis of Inflammatory Skin Diseases

Selection of the Site

…lesion may be misinterpreted as true urtica, a condition devoid entirely of such “dust.” If, however, a purpuric papule or a fresh vesicle is present, biopsy of either of them will disclose not only nuclear “dust” of…

Histologic Diagnosis of Inflammatory Skin Diseases

Arthropod assaults

…homatoid papulosis, unlike insect “bites,” may exhibit a lichenoid infiltrate in the upper part of the dermis. A papule of mycosis fungoides differs from a papule of scabies (especially of “nodular” scabies) by being made up…

Histologic Diagnosis of Inflammatory Skin Diseases

Pyogenic granuloma

…over the course of a lifetime. Kaposi’s sarcoma may manifest itself as macules/patches and nodules/tumors, as well as papules. A single papule of bacillary angiomatosis, hemangioma, and Kaposi’s sarcoma may be indistinguishable from one…

Blue nevus with a starburst pattern on dermoscopy

Blue nevus with a starburst pattern on dermoscopy

…fuse fibrosis (Figures 3 and 4). Finally, we made a diagnosis of a blue nevus based on these findings. Figure 1. A blue-gray papule on the right leg. [Copyright: ©2012 Shiga et al.] Figure 2. The lesion showed homogeneous blue pigmentation with many…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Atopic Dermatitis?

…e name applied to various severely itchy skin eruptions (prurigo = itching scale), whose primary lesions show urticarial seropapules, urticarial papules, or persistent papulonodules which become excoriated by scratching.” Braun-Falco O, Plewig…