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K. Mahmood, S. A. Malik, Painful left index finger in a 37‐year‐old man, Clinical and Experimental Dermatology, Volume 33, Issue 5, 1 September 2008, Pages 669–670, https://doi.org/10.1111/j.1365-2230.2007.02656.x
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Extract
Conflict of interest: none declared.
Clinical findings
A 37‐year‐old man presented with a 7‐year history of severe paroxysmal pain in the left index finger. The symptoms were worse in winter and were triggered by trauma and contact with cold water. He was otherwise healthy.
On examination, he had a tender lesion, 6 × 4 mm in size, on the lateral aspect of the distal phalanx of the left index finger. The overlying skin seemed normal (Fig. 1a). A radiograph of the affected finger showed a soft‐tissue lesion eroding the adjacent bone (Fig. 1b). A globular, encapsulated, greyish white lesion was completely excised under local anaesthesia (Fig. 1c), and the symptoms subsided after surgery.
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Histopathological findings
Histology revealed an encapsulated, well‐defined lesion, occupying the mid and deep dermis with extension to the subcutis. The lesion comprised multiple vascular channels lined by endothelial cells and adjacent solid aggregates of fairly uniform round cells with darkly staining round to ovoid nuclei and eosinophilic cytoplasm. The lesion had a rich bluish myxoid stroma (Fig. 2).
