May 2020 | Case of the Month

History

This 73 year old man presented with numerous lesions on his trunk that developed over a matter of weeks. There was no other relevant history.


Examination

Multiple red-purple smooth tumid nodules.


Investigations

What is the differential diagnosis?


Images

Diagnosis

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An urgent incisional biopsy of two of the lesions was consistent with diffuse large B-cell lymphoma. 

It is rarely possible to make a clinical diagnosis of multiple red-purple nodules. However, such a presentation should give cause for concern as the differential includes granulomatous conditions (eg sarcoid and mycobacterial infection), and lymphoma. Patients presenting in this way should be referred urgently.

For more information refer to the chapter on Lymphoma and leukaemia - cutaneous presentations.

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