Congenital dermoid cysts of the anterior fontanel

Adelola Adeyole (1935-2021): Early descriptor of congenital dermoid or epidermoid inclusion cyst over the anterior fontanelle and below the galea aponeurotica

The author wished to detail the life and contributions of Dr. Adelola Adeloye, MBBS, MS, FWCS, FRCS, FACS, FRCP, in hope to pay homage to this giant in Global Neurosurgery. Dr. Adelola Adeloye was born on July 18, 1935 in Illesa, Osun State, present-day South-West Nigeria. The Adeloye-Odeku disease is an eponym for a congenital dermoid or epidermoid inclusion cyst (CDIC/CEDIC) over the anterior fontanelle and below the galea aponeurotica. In 1971, Adeloye and Odeku first described these cysts in 18 Nigerian patients. While overall rare and predominantly noted in children, the Adeloye-Odeku disease has been found to impact adults too. In terms of rarity, CDICs make up 0.1-0.5% of cranial tumors and 0.2% of inclusion cysts. CDICs can be distinguished from CEDICs through histopathology as dermoid cysts may contain hair follicles, sweat, sebaceous glands, and teeth, whereas CEDICs usually are only composed of keratinized debris and epidermal tissue. Assumed first to be an African cyst, cases of the Adeloye-Odeku disease were subsequently reported in other ethnic populations: Turkish, Czechs, Slovaks, Chinese, Japanese, Canadians, Saudi Arabians, Indians, Caucasians, Bangladeshis, Spaniards, and Brazilians.

Scalp dermoids: a review of their anatomy, diagnosis, and treatment

BACKGROUND

Scalp dermoid cysts are subcutaneous sacs lined with a stratified squamous epithelium containing developmentally mature ectodermal tissues, including skin, hair follicles, sweat glands, and sebaceous glands.

METHODS

Because they consist of developmentally mature tissues, scalp dermoid cysts are generally benign. Typically, cysts are limited to an extracranial location, and management generally involves simple surgical resection.

DISCUSSION

Because of the potential for intracranial and/or intradural extension associated with some scalp dermoids, however, a comprehensive clinical evaluation incorporating MRI and CT imaging is included in the diagnostic process.

Adeloye-odeku disease in aseer region of saudi arabia

Adeloye-Odeku disease, also known as congenital inclusion dermoid cyst (CIDC) of the anterior fontanelle was first described in a publication in 1971 by Adeloye A and Odeku EL, as a solitary congenital subgaleal inclusion dermoid cyst of the anterior fontanelle in Nigerians. This rare lesion, (0.1-0.5% of all cranial tumors and 0.2% of all inclusion cysts), was initially thought to be an African cyst. The universal distribution of this cyst has subsequently been shown in accumulated literature of other ethnic distribution, Caucasians, Indians, Chinese, Japanese, Turkish and others. This is the first published report that we know of Adeloye-Odeku disease in Saudi Arab children in Abha, Saudi Arabia. Four patients with Adeloye-Odeku disease, two boys and two girls, Saudi patients with ages ranging from 3months to 9years are presented. All had CT and MRI brain scans. Successful surgical excision of the cyst was achieved in each of the three patients who consented for surgery and there was no recurrence. The parents of the oldest patient declined surgical intervention but agreed to outpatient follow up.