PMID: 2123320Oct 1, 1990Paper

Diagnosis and treatment of arachnoid cysts of the posterior fossa

Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery
T J HaberkampL Piazza

Abstract

Arachnoid cysts of the posterior fossa are rare. When arachnoid cysts are encountered, the presenting symptoms are frequently otologic, with hearing loss and imbalance occurring commonly. Three cases are presented with a previously unreported otologic symptom, that of bilateral hearing loss, which in one case was fluctuant. None of the patients had the common symptoms of unilateral hearing loss and headache. With the advent of computed tomography and magnetic resonance imaging, these cysts may be readily identified, usually with diagnostic imaging alone. Unfortunately there is often a delay in diagnosis because of the vague and fleeting nature of the symptoms. Because no single diagnostic symptom pattern is able to characterize all cases, it is believed computed tomography or magnetic resonance imaging or both are indicated in patients with long-standing otologic complaints--even in the absence of unilateral symptoms. Treatment of posterior fossa arachnoid cysts primarily consists of surgical procedures designed to decompress the cyst. In this series, treatment with diuretics alone resulted in improvement of symptoms during several years of followup, with no evidence of enlargement of the cysts.

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Citations

Jan 5, 2002·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Sunil N DuttRichard M Irving
Jul 24, 2002·Journal of Neurosurgery·Dirk De RidderLuc De Waele
May 14, 2005·European Archives of Oto-rhino-laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery·Ting-Kuang Chao
Jul 7, 2010·Journal of the Chinese Medical Association : JCMA·Hsuan-Ho Chen, Chin-Kuo Chen
Apr 12, 2008·Acta Oto-laryngologica. Supplementum·Akinori Kashio, Mitsuya Suzuki
Feb 14, 2007·Child's Nervous System : ChNS : Official Journal of the International Society for Pediatric Neurosurgery·Elio Arnaldo Marin-SanabriaEiji Kohmura
May 1, 1997·Veterinary Radiology & Ultrasound : the Official Journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association·K M VernauV Pedroia
Dec 4, 2012·Clinical and Experimental Otorhinolaryngology·Seong Jun ChoiYun-Hoon Choung

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