Hyperpigmented Plaque on a Farmer’s Nose: A Quiz

Hyperpigmented forearms and nail: a quiz.

A 75-year-old woman with a history of hydroxychloroquinetreated cutaneous lupus erythematosus presented with a bilateral sharply demarcated macular hyperpigmentation on both forearms (Fig. 1) and a partial melanonychia of the right thumb nail. This pigmentation disorder developed gradually over a 6-month period. No retinal pigmentation and no systemic disorder were revealed. Dermoscopy of the n...

Hyperpigmented plaque on the foot of a Kenyan patient.

A middle-aged lady with an asymptomatic, hyperpigmented plaque on the thigh: what is your diagnosis?

CLINICAL PRESENTATIONA 44-year-old lady came to a dermatology clinic due to an asymptomatic, hyperpigmented plaque on her right thigh since 4 months ago. On physical exam, hypertrichosis on the lesion was notable (Figure 1). Rubbing the lesion resulted in erythema and edema of the lesion. She had no systemic disease and her family history was unremarkable.

Silvery and Keratotic Plaque on the Glans Penis: A Quiz.

SkIndia Quiz 37: A Persistent Plaque in the Pubic Region

© 2017 Indian Dermatology Online Journal | Published by Wolters Kluwer Medknow A 70‐year‐old man presented with an itchy eczematous well‐defined plaque of size 10 × 7 cm involving the pubic region, penis, and scrotum. It was eroded at places and covered with grayish‐white scales and crusts [Figure 1]. The lesion had persisted almost unchanged for 15 years despite treatment. Skin biopsy stained ...