Search Results for: papule

What is your diagnosis? A solitary purple papule on the arm

What is your diagnosis? A solitary purple papule on the arm

…reatment was prescribed or used before our consultation. Dermatological examination revealed a 12.5 x 7.5 mm solitary purple papule located on the right upper extremity (Figure 1). Dermatoscopic examination disclosed bluish-red coloration (Figure…

What is your diagnosis? A solitary purple papule on the arm—Answer

What is your diagnosis? A solitary purple papule on the arm—Answer

Below is the answer to the quiz by Dr. Şenel et al presented in the previous issue of Dermatology Practical & Conceptual [2014;4(4):13]. Diagnosis: Kaposi sarcoma. Kaposi sarcoma (KS) was first described by Kaposi in 1872. There are four…

Histologic Diagnosis of Inflammatory Skin Diseases

Applicable Terms

…n 1.0 cm in diameter, lesion (Fig. 3.27). A plaque of psoriasis may come into being from extension centrifugally of a single papule or it may be a consequence of confluence of many papules. Plaques usually are acquired, as is the case in lichen…

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…

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…