A Curious Cutaneous Reaction

Fixed drug eruption
A 35-year-old man develops a solitary, reddish-brown plaque on his chest during medical treatment. Explore this common immune-mediated skin reaction.
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When Meds Mark the Skin

Doxorubicin
Certain medications can lead to unexpected skin discoloration. Explore the causes of drug-induced dyspigmentation and identify the culprits.
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A Deep Sulcus Sign After Trauma

Pneumothorax
A 23-year-old man presents after a car accident. Analyze his chest x-ray showing a deep sulcus sign to determine the critical diagnosis.
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A Puzzling Dermatological Finding

Graves' disease
A patient develops unusual skin lesions on their shins after thyroid surgery. Explore the underlying autoimmune condition linking the skin and the endocrine system.
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The Case of the Fern-Leaf Tattoo

Electrocution
A patient presents with painless, erythematous fern-leaf marks on both legs. What could cause these strange Lichtenberg figures? Learn more about this rare sign.
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When the Skin’s Layers Separate

Pemphigus vulgaris
A patient presents with extensive confluent erosions and denuded epithelium. Explore the diagnosis and management of this severe blistering skin condition.
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A Deviated Diagnosis

Left hypoglossal nerve
A patient presents with a deviated tongue on protrusion. Uncover the cranial nerve lesion responsible and its surprising vascular cause in this neurology case.
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An Unexpected Intrathoracic Guest

Diaphragmatic rupture
A patient presents with unusual symptoms, leading to a chest X-ray. See how a contrast study via an NG tube revealed a surprising diagnosis in the thorax.
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A Curious Case of Cavitations

Paragonimiasis
A patient presents with pulmonary nodules and cavitations. See the microscopic finding in the BAL fluid that reveals an unexpected diagnosis.
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A Painful Swelling with a Sharp Secret

Tophaceous gout
A patient presents with a mysterious swelling. Aspiration reveals a white fluid with distinct crystals. Can you determine the underlying diagnosis?
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