Developmental Anomalies : Facial Hemihypertrophy Etiology Clinical Features Oral Manifestations Histologic Features and Treatment

FACIAL HEMIHYPERTROPHY
ETIOLOGY

1. Vascular abnormalities
2. Neurogenic abnormalities
3. Hormonal imbalance
4. Incomplete twining
5. Chromosomal abnormalities
6. Intrauterine pressure
7. Lymphatic abnormalities

Among the listed causes the most accepted causes are vascular and neurogenic disturbances.

CLINICAL FEATURES
Though the name is Hemihypertrophy, the actual underlying condition is a hyperplasia.
Enlargement of the half of the head and face is seen. Familial occurrence has been seen in many cases.
Other systemic conditions that are found to be associated with facial hemihypertrophy are Wilm’s tumor, adrenocortical tumor and hepatoblastoma.

ORAL MANIFESTATIONS
Enlargement of teeth both primary and permanent are reported.
Early eruption of permanent teeth as well as early shedding of deciduous teeth on the involved side occurs.
The tongue is most commonly involved and shows extremely large papillae.
The buccal mucosa appears velvety and folds of tissues may hang in the oral cavity.

HISTOLOGIC FEATURES
No variation from normal.

TREATMENT AND PROGNOSIS
No treatment found.
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