Episodic facial palsy due to epithelial cyst of the cerebellopontine angle: case report and review of the literature

Shenouda, Emad; Coakham, Hugh B.

doi:10.1080/026886902317384526

Cited by 1 publication

(1 citation statement)

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“…Symptoms associated with CPA arachnoid cysts reported to date include hemifacial spasm, trigeminal neuralgia, hearing loss, ataxia and dysphagia [9,10]. Similar symptomatology has been reported in the presence of various cystic lesions including epithelial cysts [11], endodermal cysts [12] and neurenteric cysts, rendering the differential diagnosis even more challenging. In general, such lesions are considered to be histologically benign, however cases of malignant transformation have been reported [13,14].…”

Section: Discussionmentioning

confidence: 74%

Mass phenomena from a cerebellopontine angle arachnoid cyst: case report

Apostolakis

Karagianni

Mylonakis

et al. 2022

Nejrohirurgiâ (Mosk.)

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Introduction. Arachnoid cysts are benign lesions comprising about 1 % of all intracranial space occupying lesions. The majority are asymptomatic, while surgical intervention, consisting of fenestration, is suggested in the presence of mass phenomena.The aim of the study – to present the case of a patient with arachnoid cysts in the cerebellopontine angle and its treatment.Materials and methods. A 53‑years old female patient was referred to our Department of Neurosurgery for the surgical management of a cerebellopontine angle mass. The patient reported tingling sensation and causalgia of her left hemiface, dysarthria, hoarseness, difficulty swallowing solid food and liquids, tinnitus and pain distributed along the ophthalmic branch of the trigeminal nerve.Results. The patient was subjected to retrosigmoid craniotomy with fenestration of the cyst and concurrent placement of a Torkildsen shunt. No complete resection of the capsule of the cyst was attempted, due to its tight adhesions to the adjacent structures. Postoperatively, there was an improvement in the dysarthria and swallowing of the patient.Conclusions. Cerebellopontine angle cystic lesions while histologically benign, may become clinically apparent due to compression of adjacent structures. Simple fenestration of the cyst may be sufficient for the remission of symptoms.

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