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Dermoid cyst of the posterior fossa associated with congenital dermal sinus in a child.
World J Pediatr. 2008 Feb; 4(1):66-9.WJ

Abstract

BACKGROUND

Intracranial dermoid cysts are congenital benign neoplasms. Hydrocephalus and abscess as the principal manifestations of the posterior fossa dermoid cyst are rare. We present a case of obstructive hydrocephalus and abscess induced by an adjacent dermoid cyst with occipital dermal sinus.

METHODS

A 2-year-old girl presented with headache and vomiting. Physical examination showed nothing abnormal except for a small subcutaneous nodule above the occipital protuberance with a small skin opening. She had no neurological deficits. Neuroradiological studies including CT and MRI showed a cyst located in the posterior fossa. The cyst in the posterior fossa with occipital dermal sinus was diagnosed. She was treated by radical excision of the occipital cyst through a suboccipital approach, and was followed up.

RESULTS

Histopathologic examination suggested a dermoid cyst with an abscess. Bacterial investigation revealed Staphylococcus epidermidis, and appropriate systemic antibiotic therapy was given. The child recovered and a 2-year follow-up was uneventful.

CONCLUSIONS

Posterior fossa dermoid cyst should be considered in all children with occipital skin lesions, especially dermal sinus. CT and MRI scan are helpful in the diagnosis of the lesion. Neurosurgical treatment of the lesion should be planned early to prevent infections such as abscess and meningitis.

Authors+Show Affiliations

Departments of Pediatric Neurosurgery, Tianjin Children's Hospital, Tianjin 300074, China. tjpns@126.comNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Case Reports
Journal Article

Language

eng

PubMed ID

18402257

Citation

Cai, Chun-Quan, et al. "Dermoid Cyst of the Posterior Fossa Associated With Congenital Dermal Sinus in a Child." World Journal of Pediatrics : WJP, vol. 4, no. 1, 2008, pp. 66-9.
Cai CQ, Zhang QJ, Hu XL, et al. Dermoid cyst of the posterior fossa associated with congenital dermal sinus in a child. World J Pediatr. 2008;4(1):66-9.
Cai, C. Q., Zhang, Q. J., Hu, X. L., & Wang, C. X. (2008). Dermoid cyst of the posterior fossa associated with congenital dermal sinus in a child. World Journal of Pediatrics : WJP, 4(1), 66-9. https://doi.org/10.1007/s12519-008-0014-x
Cai CQ, et al. Dermoid Cyst of the Posterior Fossa Associated With Congenital Dermal Sinus in a Child. World J Pediatr. 2008;4(1):66-9. PubMed PMID: 18402257.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Dermoid cyst of the posterior fossa associated with congenital dermal sinus in a child. AU - Cai,Chun-Quan, AU - Zhang,Qing-Jiang, AU - Hu,Xiao-Li, AU - Wang,Chun-Xiang, PY - 2008/4/12/pubmed PY - 2008/5/9/medline PY - 2008/4/12/entrez SP - 66 EP - 9 JF - World journal of pediatrics : WJP JO - World J Pediatr VL - 4 IS - 1 N2 - BACKGROUND: Intracranial dermoid cysts are congenital benign neoplasms. Hydrocephalus and abscess as the principal manifestations of the posterior fossa dermoid cyst are rare. We present a case of obstructive hydrocephalus and abscess induced by an adjacent dermoid cyst with occipital dermal sinus. METHODS: A 2-year-old girl presented with headache and vomiting. Physical examination showed nothing abnormal except for a small subcutaneous nodule above the occipital protuberance with a small skin opening. She had no neurological deficits. Neuroradiological studies including CT and MRI showed a cyst located in the posterior fossa. The cyst in the posterior fossa with occipital dermal sinus was diagnosed. She was treated by radical excision of the occipital cyst through a suboccipital approach, and was followed up. RESULTS: Histopathologic examination suggested a dermoid cyst with an abscess. Bacterial investigation revealed Staphylococcus epidermidis, and appropriate systemic antibiotic therapy was given. The child recovered and a 2-year follow-up was uneventful. CONCLUSIONS: Posterior fossa dermoid cyst should be considered in all children with occipital skin lesions, especially dermal sinus. CT and MRI scan are helpful in the diagnosis of the lesion. Neurosurgical treatment of the lesion should be planned early to prevent infections such as abscess and meningitis. SN - 1708-8569 UR - https://www.unboundmedicine.com/medline/citation/18402257/Dermoid_cyst_of_the_posterior_fossa_associated_with_congenital_dermal_sinus_in_a_child_ L2 - https://dx.doi.org/10.1007/s12519-008-0014-x DB - PRIME DP - Unbound Medicine ER -