A Rare Case of a Cerebrospinal Fluid Leak and Idiopathic Intracranial Hypertension in a Transgender Male

Author:

Smith Isaac1,Aoun Raissa1,Lalchan Rebecca1

Affiliation:

1. New York University

Abstract

Abstract Background: The pathophysiology of Idiopathic intracranial hypertension (IIH) is not fully characterized, and less is known about its development in transgender patients. Cases detailing the natural history of IIH in transgender patients gives us key insights into the development of these diseases in all patients. Several cases of IIH in transgender patients have been reported, but fewer cases have been published that identify a cerebrospinal fluid (CSF) leak as a complication of IIH in this population. Case: We describe the case of a 33-year-old obese (BMI: 30.58 kg/m2) female-to-male (FTM) transgender patient on exogenous testosterone who presented with 1-month of acute on chronic headache with profuse rhinorrhea. Fundoscopic exam revealed disc pallor and edema consistent with a Frisen Gade 3 papilledema. Nasal secretion was positive for beta-2 transferrin, consistent with CSF. Computed tomography (CT) head demonstrated a 5-mm defect in the medial left middle cranial fossa and abnormal arachnoid granulations concerning for IIH. After a successful endoscopic endonasal repair of the left lateral sphenoid recess leak, our patient continued to report headaches, was started on acetazolamide, and noted improvement in symptoms. Conclusion: The case described herein further supports the growing body of evidence that implicates a hormonal mechanism of action in the development of IIH in all patients. Importantly, it also addresses the need for increased study and conversation about rare neurologic diseases in transgender patients.

Publisher

Research Square Platform LLC

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