Masson’s Tumor of the Hand: An Uncommon Histopathological Entity
Masson’s tumor or Masson’s hemangioma, more precisely termed intravascular papillary endothelial hyperplasia (IPEH), is an uncommon benign vascular lesion of the skin and subcutaneous tissues which can be frequently confused with angiosarcoma. Although relatively rare, its accurate diagnosis is essential since it can clinically be similar to both benign and malignant lesions. We present a 39-year-old man with a round bulging arising from the left palm side of the hand with gradual growth in the last 5 months and on and off tenderness. The microscopic section demonstrated the papillary proliferation of endothelial cells in favor of Masson’s hemangioma, which was sufficiently treated with excision alone.
A 39-year-old man with a complaint of a round mass on the palmar side of his left hand was referred to our clinic. The lesion had on and off tenderness and was gradually growing in size since 5 months ago. In our physical exam, there was a cm, firm, round, and nontender lesion on the palmar side of the left hand over the second metacarpophalangeal joint, without a change in skin color or dense adhesions to surrounding soft tissues.
With the impression of a benign hand lesion, without any further evaluation, the patient was scheduled for excisional surgery. Under local anesthesia, via a vertical incision over the lesion, the mass was enucleated easily, the wound was closed without any complications, and the lesion was sent for pathological evaluations.
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International Journal of Case Reports