Response: Koplik, Comby, and Stimson: Three Observed Physical Signs in Measles

We read with interest the recent article, "Measles: An Ongoing Threat," by Popofsky and Romero. 1 We concur with the authors that many clinicians today lack familiarity with the clinical presentation of measles.In this context, we would like to expand on their brief historical overview by highlighting additional physical signs-particularly those observable during the prodromal phase-that may aid in diagnosis."Koplik spots" remain the most widely recognized enanthem associated with measles. 2 Although firmly embedded in the medical literature, these lesionsfirst described in 1896 by Henry Koplik (1858Koplik ( -1927) ) as bright red spots on the buccal mucosa and inner lips, each with a central bluish-white speck-are not strictly pathognomonic.Similar findings have been reported in infections caused by Echovirus 9, Parvovirus B19, and Coxsackievirus A16. 3 Two additional, lesser-known prodromal signs also merit attention.Jules Comby (1853Comby ( -1947)), a French pediatrician, described oral enanthema, gingival erythema, swelling, and an exudative coating of the mucous membranes in four siblings with measles. 4Comby sign refers to this exudative appearance of the gingival and buccal mucosa, attributed to desquamated epithelial cells.In 1928, Philip Moen Stimson (1888-1971) described a transient ocular finding now known as the Stimson sign. 5He reported a fine transverse line of hyperemia along the palpebral conjunctiva, extending from the tarsal plate toward the fornix, in febrile children approximately 10 days after measles exposure.This "measle line" appears briefly before the inflammation spreads to involve the entire conjunctiva. 5hese historical observations underscore the diagnostic value of careful physical examination in measles.Recognition of Koplik spots, along with the lesser-known Comby and Stimson signs, illustrates the clinical complexity of the disease and reaffirms the enduring importance of traditional diagnostic skills and historical medical knowledge in contemporary practice.