Congenital Dermoid Cyst at the Anterior Fontanelle: Neuroimaging before and after Fontanelle Closure

Adachi, Koji; Ishii, Naoko; Takahashi, Hiroshi; Teramoto, Akira

doi:10.1272/jnms.79.291

Cited by 9 publications

(20 citation statements)

References 15 publications

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“…The congenital inclusion type is composed of sequestered ectodermal cells during embryogenesis (1,4). They can appear at any site on the skull, but more often over the AF (20%) (4)(5).…”

Section: Yılmaz B Et Al: Bregmatic Dermoid Cyst Discussionmentioning

confidence: 99%

“…A literature review clearly shows that there is a predilection for African children, but there are also reported cases from other ethnicities (1,5). There is no clarity about gender disposition in the literature.…”

Section: Yılmaz B Et Al: Bregmatic Dermoid Cyst Discussionmentioning

confidence: 99%

“…Patients apply to clinics with a soft, non-tender mass (4). The mass lesion may present at birth or appear in a couple of weeks after birth (1,4). There are some other disease entities in the differential diagnosis such as meningoencephalocele, encephalocele, epidermoid, hamartoma, hemangioma, lipoma, lymphangioma, sebaceous cyst, sinus pericranii, cystic hygroma and pilonidal cyst (1-5).…”

Section: Yılmaz B Et Al: Bregmatic Dermoid Cyst Discussionmentioning

confidence: 99%

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Bubble over the head: adeloye-odeku disease in a turkish child-case report

Yılmaz

Urgun²,

Ekşi³

et al. 2014

Turkish Neurosurgery

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Adeloye-Odeku disease is composed of dermoid cyst over anterior fontanelle, first described in 1971. We present an 11-year-old girl with a soft, fluctuant swelling over bregma. The lesion content was isointense to cerebrospinal fluid on both T2W and FLAIRW images. There was a lytic area under the lesion, seen on CT. The lesion was totally excised. Histopathology confirmed the diagnosis. The case was unique; because a fibrous band was observed extending to superior sagittal sinus and it has never been reported before. Although lesions are sub-aponeurotic, because of this kind of fibrous band, a thorough examination with neuroimaging tools is very important for planning of surgery.KEywORDS: Bregma, Anterior fontanelle, Dermoid cyst, Neuroimaging, Adeloye-Odeku disease ÖZAdeloye-Odeku hastalığı, anterior fontanel üzerinde yerleşimli dermoid kistleri tanımlar ve ilk kez 1971 yılında literatüre girmiştir. Bregma üzerinde yumuşak ve hareketli bir şişlik tespit ettiğimiz, 11 yaşındaki bir kız olguyu sunmaktayız. Lezyon içeriği T2 ve FLAIR ağırlıklı MR incelemelerinde beyin-omurilik sıvısı ile izointensti. Beyin tomografisinde lezyonun altındaki kalvaryumda kemik defekt vardı. Lezyon tamamen çıkarıldı ve histopatolojik tanısı dermoid kist olarak geldi. Bu olguda daha önce bildirilmemiş olan, lezyon ile sagital sinüs arasında fibröz bir bantın varlığıydı. Bu sebeple, bu tür lezyonlar her ne kadar subaponörotik yerleşimli olsalar da, ameliyatı planlamadan önce olguların nöroradyolojik çalışmaları detaylı olarak yapılmalıdır.

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“…The congenital inclusion type is composed of sequestered ectodermal cells during embryogenesis (1,4). They can appear at any site on the skull, but more often over the AF (20%) (4)(5).…”

Section: Yılmaz B Et Al: Bregmatic Dermoid Cyst Discussionmentioning

confidence: 99%

Section: Yılmaz B Et Al: Bregmatic Dermoid Cyst Discussionmentioning

confidence: 99%

Section: Yılmaz B Et Al: Bregmatic Dermoid Cyst Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Bubble over the head: adeloye-odeku disease in a turkish child-case report

Yılmaz

Urgun²,

Ekşi³

et al. 2014

Turkish Neurosurgery

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“…Clinically, they present as a swelling on top of the head with out signs of increased intracranial pressure and neurological examination is normal. For Adachi et al [2], dermoid cysts can be classified into 3 categories: 1) congenital dermoid cysts of the teratoma type, derived from the embryonic epithelium and confined to the ovary or testis; 2) acquired implantation cysts formed by cells implanted traumatically into deeper structures; and 3) congenital dermoid inclusion cysts resulting from the inclusion of displaced dermal cells along the embryonic fusion line. Our case could be an acquired implatantion cyst because it was not present at birth or during childhood and the patient sustained a head trauma at the age of 8.…”

Section: Discussionmentioning

confidence: 99%

“…Dermoid cysts also known as inclusion cysts are pseudotumors thought to arise from inclusion of ectodermal elements within other tissues during embryologic life or after a trauma [1]- [3]. They had been described in many tissues, organs and locations in the human body [2]. Dermoid cysts of the head involve the neurocranium as well as the splanchnocranium (the face); they can be intra-or extra-axial in any possible location (intracranial, extracanial, intradural, extradural, intradiploic, whitindural sinuses or air sinuses, and so on) [1]- [18].…”

Section: Introductionmentioning

confidence: 99%

An Intragaleal Frontal Dermoid Cyst: A Location Never Reported

Ndoumbe¹,

Nkegoum²,

Motah³

et al. 2014

OJMN

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All dermoid cysts arising at the cranial vault had been reported as being located subgaleally, i.e. under the galea aponeurotica or epicranium. We are presenting a case that we believe to be the first case of an intragaleal dermoid cyst ever reported. An eighteen years old girl presented at our consultation for a midline frontal swelling evolving since 2 years. Neurological examination was normal. The Computed Tomography (CT) scan showed a round shaped heterogeneous mass at the vertex with no intracranial extension. The lesion was excised surgically. It appeared to be located intragaleally (within the epicranium) and composed of hairs and liquefied fat evocative of a dermoid cyst. The diagnosis of dermoid cyst was confirmed on histology. Postoperative outcome was excellent and the patient is symptom-free 16 months after surgery.

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