Table 1 The pathognomonic criteria for the clinical diagnosis of mucormycosis established by Smith and Krichner (Smith-Krichner's mucormycosis pathognomonic criteria) [21]
From: A peek behind the curtain in the diagnosis and management of COVID‑19‑Associated Mucormycosis (CAM)
A short duration blood-tinged nasal discharge (usually dark-colored) on the side of facial pain | |
A soft perinasal/periorbital swelling that progresses to discolouration and induration—with progressive vascular occlusion | |
Blepharoptosis and globe proptosis, dilation and fixation of the pupil, and functional limitation | |
Progressive lethargy, despite better response to antidiabetic medications | |
Black necrotic turbinate, easily confused with dried blood | |
Loss of corneal reflex and onset of facial weakness—often observed late during invasion |