Dermatology
- Multiple scabietic nodules on the scrotum in a patient living with HIV infection
A 21-year-old man presented with pruritic erythematous papules and nodules on the scrotum and linear keratotic burrows on the right wrist.
- Benign migratory glossitis
A 26-year-old woman presented with well-defined erythematous patches on her tongue that had developed over the previous 6 months.
- MDA5 dermatomyositis: Unveiling a potentially life-threatening disease
Timely diagnosis and initiation of aggressive immunosuppressive therapy are key to improving the 40% overall mortality rate in patients with MDA5 dermatomyositis.
- Half-moccasin distribution of acute tinea pedis
An 84-year-old woman presented with a week-long history of pruritus on the sole of her right foot.
- Refractory granuloma annulare
A 77-year-old woman presented with a rash characterized by orange-yellow papules coalescing into erythematous annular plaques on her hands, trunk, and legs.
- Odontogenic cutaneous fistula
A 55-year-old woman with a history of systemic lupus erythematosus and secondary Sjögren syndrome presented with a 2-year history of facial swelling and intermittent drainage from a skin lesion on her left jaw.
- Allopurinol hypersensitivity is rare, bad, and partially avoidable, but allopurinol can still be used effectively
The shadow of the 1984 Hande et al guidelines still hangs over clinical decision-making when managing allopurinol dosing in patients with gout and chronic kidney disease.
- Severe cutaneous reaction induced by allopurinol
Three weeks after starting allopurinol for gout, an 86-year-old woman presented with a maculopapular rash and painful blistering and erosions of the oral mucosa.
- Amoxicillin rash in infectious mononucleosis
A 23-year-old woman developed a rash on the day she completed a 10-day course of amoxicillin for group A streptococcal infection.
- Tinea incognito
This atypical form of dermatophyte infection is caused by local immune suppression from systemic or topical corticosteroids.

