Anterior Clinoid Mucocele Masquerading as Retrobulbar Neuritis

Dunya, Ibrahim M.; Frangieh, George T.; Heilman, Carl B.; Miranda, Michelle R.; Rand, Larry L; Hedges, Thomas R.

doi:10.1097/00002341-199609000-00003

Cited by 31 publications

(32 citation statements)

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“…Onodi cells are therefore similar to pneumatized anterior clinoid processes in their proximity to the optic nerve and canal, however they are anatomically distinct. Mucoceles involving the anterior clinoid process are particularly rare with only 16 other cases reported in the literature (Table 1) [4][5][6][9][10][11][12][13][14][15][16][17][18][19].…”

Section: Pathophysiological and Anatomic Considerationsmentioning

confidence: 99%

“…Patients with mucoceles involving the anterior clinoid process mainly present with orbital symptoms including ipsilateral retroorbital pain and progressive monocular visual loss [4][5][6][9][10][11][12][13][14][15][16][17][18]. The visual disturbance can fluctuate over time and range from complete blindness to a limited visual field defect such as a central scotoma [20].…”

Section: Clinical Presentationmentioning

confidence: 99%

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Complete recovery of acute monocular visual loss following endoscopic resection of anterior clinoid mucocele: Case report and review of the literature

Nundkumar

Mittal

Kupsky

et al. 2012

Journal of the Neurological Sciences

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Section: Pathophysiological and Anatomic Considerationsmentioning

confidence: 99%

Section: Clinical Presentationmentioning

confidence: 99%

Complete recovery of acute monocular visual loss following endoscopic resection of anterior clinoid mucocele: Case report and review of the literature

Nundkumar

Mittal

Kupsky

et al. 2012

Journal of the Neurological Sciences

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“…7,9,10 In the present case, steroid pulse therapy was effective in two previous ocular episodes. Acute retrobulbar neuritis could have been a differential diagnosis; 12 however, we failed to identify obvious inflammation in the optic nerve itself on the brain MR images during the first recurrence. Instead, slight enhancement of the optic nerve sheath on the parasagittal and coronal slices was observed in addition to the cystic lesion ( Figure 1B, middle and right panels).…”

Section: Discussionmentioning

confidence: 64%

Recurrent Optic Neuropathy Caused by a Mucocele of the Anterior Clinoid Process after a 5-Year Remission: A Case Report and Literature Review

Aoyama

Ohtomo

Sawamura

2014

Neuro-Ophthalmology

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A 32-year-old male presented with acute left vision loss during a second recurrence of optic neuropathy. Steroid pulse therapy had been effective in both the first episode 9 years previously and the first recurrence 5 years previously. Magnetic resonance imaging demonstrated an anterior clinoid process mucocele compressing the optic nerve. Although surgical treatment was performed, improvement was limited. This report indicates that steroid pulse therapy could be an alternative treatment to obtain temporary remission, but surgical treatment should be considered to prevent irreversible neurological deficits. This paper also presents a review of the literature on anterior clinoid process mucoceles.

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“…In addition to the Onodi cell as an unusual location, the anterior clinoid process may also be pneumatized and harbor a mucocele [8]. While most mucoceles are incidentally discovered, both Onodi cell mucoceles and mucoceles involving the anterior clinoid process have been reported to cause visual disturbances [9][10][11][12][13][14]. Patients with erosion into the orbit may present with retro-orbital pain, diplopia and loss of vision.…”

Section: Discussionmentioning

confidence: 99%