Asymptomatic Rash, Systemic Link?

Generalized granuloma annulare
Explore a case of widespread, asymptomatic skin lesions in an older adult. Learn how this dermatological finding can point to an underlying metabolic condition.
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A Painful Rash That Ignores Antibiotics

Cutaneous lupus
A 28-year-old woman presents with a painful vesicular lesion and erythematous rash unresponsive to antibiotics. Explore photosensitive rashes.
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Mysterious Rings on Sun-Exposed Skin

Actinic granuloma
A 50-year-old woman has asymptomatic, annular skin lesions on her forehead and hands. Explore this classic dermatological case of sun-related skin changes.
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A Concentric Scaly Rash

Tinea imbricata
An 18-year-old Fijian woman presents with a 3-year history of a concentric, scaly rash. Her brother has similar findings. What is the diagnosis?
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A Tender Abdominal Lesion

Streptococcal cellulitis with lymphangitis
A healthy woman develops a tender, red lesion on her abdomen without a clear cause. Explore the differential diagnosis and management of this skin infection.
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Itchy Skin & A Burning Mouth

Lichen planus
A 53-year-old woman presents with intensely itchy skin lesions on her wrist and a burning sensation in her mouth. Explore this dermatological case.
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A Traveler’s Unwanted Souvenir

Tungiasis
A patient returns from Brazil with a skin lesion revealing small white eggs. Uncover the diagnosis of this ectoparasitosis endemic to tropical regions.
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Toenail Clues to a Hidden Diagnosis

Periungual fibroma
A 71-year-old man with chronic kidney disease presents with facial papules and unusual toenail lesions. Discover the underlying systemic diagnosis.
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A Deceptive Foot Lesion in the Elderly

Amelanotic melanoma
An 80-year-old man presents with a growing, ulcerated lesion on his foot. Explore the differential diagnosis for this challenging clinical presentation.
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Mysterious Finger Bruising

Achenbach's syndrome
A 66-year-old woman presents with recurrent pain and bruising in her finger with no trauma. Explore the differential diagnosis for this unusual presentation.
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