Suprasellar lesion: answer

An atypical pigmented lesion—Answer

A Rare Case of Isolated Cerebral Sarcoidosis Presenting as Suprasellar Mass Lesion with Salt-Wasting Hypopituitarism

Background Sarcoidosis is a systemic disorder of unknown origin characterized by noncaseating granulomas. Clinical symptoms due to central nervous system (CNS) involvement occur in 5 to 7% of all cases; subclinical involvement is more frequent. Sole CNS involvement is very rare. Case Report A 25-year-old man presented with increasing polyuria and polydipsia over 8 weeks. Magnetic resonance imag...

Dermatoscopy: A multicolored lesion on the forehead—Quiz Answer

Basal cell carcinoma (BCC) is the most frequent type of skin cancer in humans. Non-pigmented BCCs are much more prevalent than pigmented BCCs. Sometimes it could be difficult to distinguish a pigmented BCC from a melanoma [1]. Menzies et al. suggested a dermatoscopic method with a sensitivity of 93% and a specificity of 89% for diagnosing pigmented BCCs (See Table) [2,3]. The correct answer to ...

An atypical pigmented lesion on the nose—Answer

PCSCC is a variant of invasive squamous cell carcinoma, with less than 20 cases reported, to our knowledge, in the English literature [1,2]. PCSCC had been more often reported to occur in the oral mucosa and conjunctiva [3]. Pigmentation is probably due to cytokines secreted by tumoral cells that stimulate melanocytes to produce melanin [4]. In some cases, PCSCC may be the malignant progression...

A pigmented lesion with yellow-white globular-like structures—Answer

Citation: Rishpon A. A pigmented lesion with yellow-white globular-like structures. Dermatol Pract Concept 2015;5(1):13. doi: 10.5826/ dpc.0501a13 Received: May 8, 2014; Accepted: May 10, 2014; Published: January 30, 2015 Copyright: ©2015 Rishpon. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution,...