Painful Nodule with Induration and Spreading Erythema

Painful subcutaneous nodule.

The patient was a 57-year-old woman who practiced hiking, and had no history of disease. She presented with a subcutaneous lesion measuring 5 mm in the fifth toe of her left foot that she had detected 12 weeks earlier. The lesion was intensely painful and had undergone no changes. Plain radiography of the foot revealed the presence of a small calcification on the lateral border of the distal ph...

[Biker's nodule"--perineal nodular induration of the cyclist].

The "biker's nodule" is a rarely appearing perineal nodular induration of the cyclist. Repeated microtrauma to the subcutaneous fatty tissue or collageneous tissue, caused by pressure or vibration which the bicycle's saddle exerts on the perineal region, leads to collagenous degeneration, myxoid alteration and pseudocyst formation. Because of the painful subcutaneous nodules the patient is ofte...

Persistent painful indurated erythema secondary to bosentan.

Enlarging, painful nodule under the toenail.

Volume 89, Number 10 www.aafp.org/afp American Family Physician 793 A 19-year-old woman presented with a slowly enlarging, painful nodule under her left great toenail that appeared two years earlier. She had attempted to remove part of the nodule on her own, but it grew back. She did not have a history of trauma to the area, but she noted increased pain when she wore tight or high-heeled shoes....

Painful purple nodule on the right thigh

A 65-year-old Caucasian man presented to our clinic with a 10-year history of a slow-growing, painful nodular lesion on the right thigh that was sensitive to cold. The physical examination revealed a well-defined, smooth, purple nodule, 7 mm in diameter, with a peripheral brown rim (Figure 1). The lesion was tender to light touch. Dermoscopy disclosed a multicolored structureless pattern: a pur...