CTICasesHidradenitis Suppurativa
Imaging findings
CT of the chest in a female patient shows extensive, symmetric, and lobulated soft-tissue thickening and nodularity of the skin and subcutaneous tissues involving the chest wall, breasts, axillae, and trunk. High-resolution CT shows multiple deep cutaneous sinus tracts, confluent plaques, and enlarged internal mammary lymph nodes, mimicking cutaneous lymphoma.
Key takeaways
Hidradenitis suppurativa is a chronic, inflammatory skin condition characterized by follicular occlusion and subsequent inflammation of the apocrine sweat glands. In its severe form (Hurley Stage III), it causes extensive cutaneous plaques, multiple interconnecting sinus tracts, and chronic superinfections. On chest CT, the dramatic skin and subcutaneous thickening can mimic neoplastic processes like cutaneous T-cell lymphoma or metastatic breast carcinoma.
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