A benign subcutaneous tumor composed of fat and blood vessels that is characteristically tender to palpation.
A rare syndrome with multiple, soft, compressible, bluish vascular nodules ('blebs') on the skin and in the GI tract that can be tender.
Ectopic endometrial tissue in the skin, often in a surgical scar, that forms a tender nodule which swells and becomes more painful cyclically with menses.
A benign sweat gland tumor that presents as a deep-seated, solitary nodule that is characteristically very painful.
A benign vascular tumor, often under the nail, that presents as a small, bluish-red nodule and is characterized by paroxysmal, exquisite pain, especially with cold.
A benign smooth muscle tumor that presents as a firm, skin-colored or reddish-brown papule or nodule that is often tender or painful.
Another name for a Schwannoma, a benign nerve sheath tumor that presents as a solitary, slow-growing, encapsulated, and often tender subcutaneous nodule.
A proliferation of nerve tissue that forms a very painful, firm, subcutaneous nodule, often at a site of prior trauma.
A benign deposit of bone in the skin, presenting as a rock-hard, subcutaneous papule or nodule that can be painful.
