To the Editor.—
Mastocytomas are within the spectrum of clinical disorders characterized by the accumulation of mast cells in the skin and, occasionally, in other organs. Although it is estimated that 10% to 15% of all patients with one of the mast cell disorders (urticaria pigmentosa, telangiectasia macularis eruptiva perstans, diffuse mastocytosis, systemic mastocytosis, and mast cell leukemia) have a mastocytoma,1 they almost exclusively appear as solitary lesions. There are a number of cases in which more than one mastocytoma was present. Demis2 states that four lesions may be present. I describe, herein, a patient with nine mastocytomas.
Report of a Case.—
A 4-month-old male infant was seen in the dermatology clinic at the Medical College of Ohio, Toledo, with several tumors on his head, trunk, and extremities. Two of the skin lesions had been present at birth. The remaining lesions had appeared within the first month of