In 1911 I1 published a short monograph covering a brief clinical experience with trichloracetic acid in concentrated form. Reference was made to the fact that this time-honored and more or less generally employed nose and throat remedy had received little favorable notice as a therapeutic agent in dermatology.
Lanz,2 in an article on the topical application of 20 per cent. trichloracetic acid by means of an endoscope in chronic urethritis, incidentally refers to the success attending its use in papillomas, warts and pigmentations.
In the monograph above referred to, I set forth the success which attended the treatment of moles and circumscribed pigmentations, vascular nevi and telangiectases and warts and papillomas, with a saturated solution of trichloracetic acid, and incidentally mentioned that immediate favorable results were also noted in lupus vulgaris and several other affections. I have continued to use this remedy with unfailing benefit in all cases
HEIDINGSFELD ML. A NEW METHOD OF TREATMENT OF LUPUS VULGARIS. JAMA. 1914;LXIII(16):1352–1357. doi:10.1001/jama.1914.02570160018005
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