Triads in dermatology

Abstract

It is imperative for any dermatology resident to have a good knowledge of the various triads in dermatology. For an easy grasp over this topic, we have grouped the various triads on the basis of their etiologies.

Pancreatic panniculitis

“…[2] Panniculitis in association with polyarthritis and eosinophilia is known as Schmid's triad and shows a poor prognosis. [3] The pathogenesis of pancreatic panniculitis is not unraveled but saponification of fat secondary to the action of liberated pancreatic lipase and elastase I is a postulated mechanism. Histopathologically, pancreatic panniculitis is characterized by lobular fat necrosis with anuclear adipocytes, called ghost cells, within a thick, shadowy wall with or without focal calcification and a mixed inflammatory infiltrate.…”

“…Transparency tracing is a standard measurement tool for skin wound areas, which is reliable, sensitive to changes in size and suitable for routine clinical wound assessment, in most clinical settings. [1][2][3][4] Transparency tracing of skin wounds entails tracing the contour on a transparent film with a permanent pen in order to make periodic comparisons for evaluating treatment outcome by means of overlap of transparency tracing with the real wound contour or by morphometry.…”