Papulosis

See Lymphomatoid papulosis malignant atrophying (Degos' disease). A predominantly fatal disease with spotty, stark white, vascular lesions and subsequent atrophy of the overlying tissues, affecting the skin, intestines, and other organs, including the brain, kidney, and heart. It is differentiated from thromboangiitis obliterans and periarteritis nodosa. Paraffinoma. A foreign body granuloma due to the injection of paraffin into the subcutaneous tissue for cosmetic purposes....

Herpes simplex 6 See roseola infantum

Herpes zoster, 38, 180-182, 180f, 193-194, 194f, 260-262, 261f, 380f Herxheimer reaction. An acute reaction characterized by fever and aggravation of existing cutaneous lesions following the administration of penicillin or organic arsenic for the treatment of patients with syphilis, particularly the infectious form. In patients with central nervous system syphilis, neurologic findings may be aggravated. In patients with cardiovascular syphilis, the reaction may be fatal, but some observers...

Purpuric dermatoses

Cellulitis

Vascular dermatoses Acute purpura, of unknown etiology, in 12-year-old boy. (Dermik Laboratories, Inc.) Purpuric lesions are caused by an extravasation of red blood cells into the skin or mucous membranes. The lesions can be distinguished from erythema and telangiectasia by the fact that purpuric lesions do not blanch under pressure applied by the finger or by diascopy. Petechiae are small, superficial purpuric lesions. Ecchymoses, or bruises, are more extensive, round or...

Erythema multiforme

Erythema Multiforme Recurrence

Erythema multiforme-like eruption on arm during pregnancy. Dermik Laboratories, Inc. The term erythema multiforme introduces a flurry of confusion in the mind of any student of medicine. It is our purpose in this section to attempt to dispel that confusion. Erythema multiforme, as originally described by Hebra, is an uncommon, distinct disease of unknown cause characterized by red iris-shaped or bull's eye-like macules, papules, or bullae confined mainly to the...