Anterior sacral meningocele differential diagnosis [Neurosurgery Wiki]

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====== Anterior sacral meningocele differential diagnosis ======

{{rss>https://pubmed.ncbi.nlm.nih.gov/rss/search/1TSNW3JJ2DCyNHkEuPNbMAzZ_D6qVn4KsWNkCNJFS7PLBhAgCa/?limit=15&utm_campaign=pubmed-2&fc=20230103101703}}
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[[Anterior sacral meningocele]] should be considered in the [[differential diagnosis]] of cases with pelvic cysts, particularly in patients with underlying [[connective tissue disorder]]s. Because severe neurologic complications or even death may occur without proper [[preoperative planning]] in such cases, MR imaging should always be performed for evaluation and characterization of pelvis cystic lesions
((Sahin N, Genc M, Kasap E, Solak A, Korkut B, Yilmaz E. Anterior Sacral Meningocele Masquerading as an Ovarian Cyst: A Rare Clinical Presentation Associated with Marfan Syndrome. Clin Pract. 2015 Apr 24;5(2):752. doi: 10.4081/cp.2015.752. PMID: 26236457; PMCID: PMC4500879.)).
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The differential diagnosis of ASM includes cystic lesions located in the presacral region: tumors of the gastrointestinal or genitourinary tract; epidermoid or dermoid cysts; aneurysmal bone cyst; hamartoma; hydatid cyst; lipoma; lymphangioma; perineural cyst; rectal duplication cyst; gynecologic tumors; teratoma; or teratocarcinoma. The most important means of establishing the definitive diagnosis is detecting communication between the cystic lesion and the subarachnoid space
((Rondina RG, Volpato R, Guerra LF, Martins DL, Pessanha LB. Differential diagnosis of anterior sacral meningocele during the evaluation of post-hysterectomy pelvic collections. Radiol Bras. 2016 May-Jun;49(3):203-4. doi: 10.1590/0100-3984.2015.0099. PMID: 27403027; PMCID: PMC4938457.)).

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Good clinical examination and radiological investigations should be able to differentiate ASM from other causes of cystic presacral masses in children which include 

[[Tailgut duplication cyst]]

[[Presacral Neurenteric Cyst]]

a) [[sacrococcygeal teratoma]] (Altman type 4); 

b) tumors like [[dermoid]], [[lipoma]]s, and [[neuroblastoma]]; 

c) [[neuroectodermal cyst]]; 

d) [[rectal duplication cyst]]; 

e) [[ovarian cyst]] 

f) pelvic kidney 

[[Presacral Epidermoid Cyst]]
((Mohta A, Das S, Jindal R. Anterior sacral meningocele presenting as constipation. J Pediatr Neurosci. 2011 Jan;6(1):40-3. doi: 10.4103/1817-1745.84406. PMID: 21977087; PMCID: PMC3173914.)).