The tumors of the nerves, smooth muscle and connective tissue of the skin form a confusing and complex group, regarding which a great deal might be said without adding much to the store of knowledge. The study of the following case is therefore illuminating from more than one point of view.
REPORT OF CASE
V. N., a girl aged 15 years, complained of a lump on the forearm which she said was growing rapidly. She stated that she had first noticed it as a small "pimple" four months before. The previous history was irrelevant. Fig. 1.—Photomicrograph of tissue from the tumor, taken with low magnification (azan stain; × 150). Clinical Notes On the dorsum of the left forearm was a hard, round, smooth-surfaced nodule, set like a button in the skin. This was freely movable, painless and red.
The lesion was exposed to 1,200 roentgens of radiation, but no
Schmidt FR. TUMOR OF THE SKIN OF UNKNOWN ORIGINReport of a Case. Arch Derm Syphilol. 1935;32(4):626–628. doi:10.1001/archderm.1935.01470040083015