Dermatology
- A serpiginous, itchy rash on the foot
Cutaneous larva migrans is caused by helminth larvae, usually parasites of the small intestines of cats and dogs.
 - Multiple linear subcutaneous nodules
A 34-year-old woman has an asymptomatic swelling on her foot that has been slowly growing for 15 years.
 - Hordeolum: Acute abscess within an eyelid sebaceous gland
Chalazion and hordeolum are similar in appearance and often confused.
 - Epiglottic cysts in clinical practice
If the cysts are symptomatic, patients describe nonspecific pharyngeal discomfort or a foreign-body sensation.
 - Evaluation of nail lines: Color and shape hold clues
Inspection of the fingernails and toenails should be part of a complete physical examination.
 - Cocaine-induced ecchymotic rash
Levamisole-adulterated cocaine can induce an ANCA-associated vasculitic rash within hours or days.
 - Fungal folliculitis masquerading as acute exanthematous pustulosis
Concern was raised for antibiotic-related acute exanthematous pustulosis, but punch biopsy revealed the yeast Malassezia.
 - Celiac disease: Managing a multisystem disorder
This autoimmune disorder can cause symptoms that involve not only the gastrointestinal tract but also the skin and bones.
 - The microbiome in celiac disease: Beyond diet-genetic interactions
Evidence points to the mix of bacteria that make the gut their home, collectively called the microbiome.
 

