If there was no exudation the disease was called plica sicca.
"Anomalies and Curiosities of Medicine" by George M. Gould
Explicate: unfolded; open; without folds or plica.
"Explanation of Terms Used in Entomology" by John. B. Smith
Erat autem vir simplex, sine omni plica dolositatis aut falsitatis, ut omnibus constat.
"Henry the Sixth" by John Blacman
Plica polonica, which is endemic in Russia, is almost cosmopolitan.
"Fungi: Their Nature and Uses" by Mordecai Cubitt Cooke
We may almost believe that the disorder is born with them, like their frightful plica.
"A Philosophical Dictionary, Volume 9 (of 10)" by François-Marie Arouet (AKA Voltaire)
You have raised quite a plica, the black year take it!
"Yekl" by Abraham Cahan
Other historians assert that the plica originated in the East; such is the opinion of Stabel, Spreugel, and other writers.
"Curiosities of Medical Experience" by J. G. (John Gideon) Millingen