Dermatology
- Tinea incognito
This atypical form of dermatophyte infection is caused by local immune suppression from systemic or topical corticosteroids.
- Sarcoidosis with diffuse purplish erythematous plaques on the hands
A 70-year-old woman presented in winter with a 1-month history of asymptomatic redness of the hands.
- Vesicular pityriasis rosea
A 37-year-old man presented with a 9-day history of disseminated pruritic rash on his trunk and extremities.
- The causes of vascular insufficiency and Hickam vs Ockham
Is our reflexive search for a single explanatory diagnosis always reasonable and warranted—or is it truly “just” an academic intellectual exercise?
- Oral condylomata lata
The patient had a 3-month history of painless oral lumps and intermittent sore throat.
- A 74-year-old woman with purple toes
While the patient was undergoing treatment for livedoid vasculopathy, her toes started to become purple and she experienced persistent “stinging” pain in her feet.
- Salt-and-pepper skin pigmentation
Dermoscopy of the skin lesions revealed homogeneous depigmented areas with perifollicular pigmentation.
- Fixed drug eruption due to ibuprofen
The patient had a 2-month history of a lesion on the left groin that caused a burning sensation.
- Persistent erosions of the glans penis and foreskin
A 66-year-old man presented with an 8-month history of persistent erosions of the glans penis and foreskin with slight itching and pain.
- Gingival overgrowth in acute monocytic leukemia
A 55-year-old man presented to the emergency department with a 2-month history of progressive gingival swelling and oral pain.