A Rare Location of Subgaleal Dermoid Cyst: Coronal Suture. A Propos of a Child

Intraconal orbital dermoid cyst: a rare location

Autopsy and Case Reports ◽

10.4322/acr.2021.282 ◽

2021 ◽

Vol 11 ◽

pp. e2021293

Author(s):

Swagatika Samal ◽

Mukund Namdev Sable ◽

Sidharth Pradhan ◽

Pradeep Pradhan

Keyword(s):

Dermoid Cyst ◽

Rare Location

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Intraconal Orbital Dermoid Cyst in an Adult Patient: A Rare Location

Seminars in Ophthalmology ◽

10.3109/08820538.2012.760625 ◽

2013 ◽

Vol 28 (2) ◽

pp. 94-96 ◽

Cited By ~ 4

Author(s):

W. L. Yu ◽

C. M. Sitt ◽

Y. W. Siu

Keyword(s):

Adult Patient ◽

Dermoid Cyst ◽

Rare Location

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Letter: Dermoid cyst and fistula of the nose

Archives of Dermatology ◽

10.1001/archderm.110.1.129c ◽

1974 ◽

Vol 110 (1) ◽

pp. 129c-129

Author(s):

G. C. Szalay

Keyword(s):

Dermoid Cyst

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Dermoid Cyst of the Cecum

Gastroenterology ◽

10.1016/s0016-5085(19)35857-3 ◽

1956 ◽

Vol 31 (4) ◽

pp. 447-450 ◽

Cited By ~ 10

Author(s):

John M. Gowdy

Keyword(s):

Dermoid Cyst

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Prevotella melaninogenica Meningitis and Abscess: A Complication of the Removal of a Midline Dermoid Cyst

Journal of Pediatric Infectious Diseases ◽

10.1055/s-0038-1653982 ◽

2018 ◽

Vol 15 (03) ◽

pp. 152-154

Author(s):

Megan B. Garcia ◽

Anjali N. Kunz

Keyword(s):

Dermoid Cyst ◽

Bacterial Infections ◽

Surgical Excision ◽

Sinus Tract ◽

Neural Tube Closure ◽

Intracranial Extension ◽

Dermal Sinus ◽

Oral Flora ◽

Prevotella Melaninogenica ◽

Dermal Sinus Tract

Abstract Prevotella species are gram-negative anaerobic commensal bacteria of the oropharynx, which frequently cause periodontal disease but are otherwise rarely implicated in serious bacterial infections. Cranial dermoid cysts are benign neoplasms that grow along the planes of the embryonic neural tube closure. In infants, they most commonly present in frontal locations, including periorbital, nasal, and within the anterior fontanelle. Although dermoid cysts are slow growing, usually uncomplicated, and easily treated definitively with surgical excision, cranial cysts located on the midline are associated with a higher risk for persistent dermal sinus tract with intracranial extension of the tumor. We describe a case of a 10-month-old male patient with an occipital midline dermoid cyst with intracranial extension, infected with Prevotella melaninogenica, and complicated by intracranial abscess formation and meningitis.This case highlights two unusual disease entities: the uncommon occipital location of a dermoid cyst, and complications of that cyst caused by a serious bacterial infection with a normal oral flora. We discuss the recommendation for neuroimaging prior to surgical excision of a midline dermoid cyst, given the risk for dermal sinus tract with intracranial communication. We also discuss potential mechanisms for bacterial inoculation of this cyst with Prevotella melaninogenica. This pathogen has not previously been reported as a complication of dermoid cysts.

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