Ross syndrome is a rare clinical disorder of sweating associated with tonic pupil and areflexia. There are very few case reports of Ross syndrome in dermatology literature, most presenting with patchy hyperhidrosis. Here, we report two isolated cases who had presented to the emergency department with heat exhaustion. Multidisciplinary evaluations of the first case revealed focal anhidrosis, patchy hyperhidrosis, postural hypotension, absent deep tendon reflex, and tonic pupil while the second case had similar features except for postural hypotension, prompting the diagnosis of Ross syndrome. Presentation of these two patients highlights the importance of a high index of suspicion of dysautonomic disorder, interdisciplinary workup of a case of patchy anhidrosis, or hyperhidrosis, which may get missed in busy outpatient department (OPD) visit.
Keywords: Areflexia; Ross syndrome; heat exhaustion; postural hypotension; tonic pupil.
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