TY - JOUR AU - Marinò, M. AB - Journal of Endocrinological Investigation https://doi.org/10.1007/s40618-023-02143-y LE T TER 1 1 2 1,3 G. Cosentino  · S. Comi  · M. N. Maglionico  · M. Marinò Received: 18 May 2023 / Accepted: 16 June 2023 © The Author(s), under exclusive licence to Italian Society of Endocrinology (SIE) 2023 Keywords Carotid · Cavernous fistula · Graves’ orbitopathy · Unilateral orbitopathy · Graves’ disease Dear Editor, spontaneous retrobulbar pain, pain on attempted upward or downward gazes, redness of the eyelids, redness of conjunc- Carotid cavernous fistula (CCF) is a rare condition charac- tiva, swelling of caruncle, swelling of eyelids, and chemo- terized by abnormal vascular communications between the sis. A left abducent nerve deficit was observed as well as a carotid and the cavernous sinus [1]. Orbital tissues could be “caput medusae” aspect. Visual acuity was normal in both affected by several conditions that resemble Graves’ orbit- eyes and intraocular pressure (IOP) was high in the left eye. opathy (GO) [2,  3] and CCF clinical manifestations can CT scan and CT angiography demonstrated extraocular mus- mimic GO. Although CCF represents a minority of orbital cle hypertrophy and dilatation of the superior ophthalmic diseases, it should be suspected even in patients with Graves’ vein in the left eye. A conventional cerebral angiography disease (GD). TI - A case of carotid cavernous fistula mimicking Graves’ orbitopathy JF - Journal of Endocrinological Investigation DO - 10.1007/s40618-023-02143-y DA - 2024-01-01 UR - https://www.deepdyve.com/lp/springer-journals/a-case-of-carotid-cavernous-fistula-mimicking-graves-orbitopathy-lA3kld0qmw SP - 255 EP - 256 VL - 47 IS - 1 DP - DeepDyve ER -