Histopathological and radiological investigations of the influence of botulinum toxin on the submandibular gland of the rat.

The aim of the study was to correlate the sonographic features of Botox A injection in rat submandibular gland with the histopathological changes. Fifteen Wistar albino rats were randomly assigned to 2 groups. Group 1 (control group) consisted of 5 animals not given any substance.

Isolated maxillary sinus Ewing's sarcoma.

Extraskeletal Ewing's sarcoma is rarely found arising in the head and neck region. Only six cases of extraskeletal Ewing's sarcoma invading the nasal cavity or paranasal sinuses have been reported in the literature. The first described case of that Ewing's sarcoma located in isolated maxillary sinus extending into the orbita without involving the nose is presented.

Comparison of diced cartilage graft wrapped in surgicell and diced cartilage graft wrapped in fascia: an experimental study.

Hypothesis: This study was conducted to compare diced cartilage grafts wrapped in fascia and diced cartilage grafts wrapped in surgicell with respect to their resorption.

Study Design: Experimental study.

Methods: Eight male Wistar Albino rats were used.