Specimen of an Epignathus.

“ Giant Epignathus ” - A Case Report

An epignathus is an extremely rare form of oropharyngeal teratoma that arises from the oral cavity, most commonly from the palate and is associated with a high mortality secondary to airway obstruction in the neonatal period. We present a preterm baby with a giant epignathus in whom airway was secured by an emergency tracheostomy after a caesarean section. The baby expired eleven and a half hou...

Malignant epignathus teratoma

A baby boy who had a left facial mass detected on antenatal ultrasound was delivered by Caesarian section after foetal distress was detected. Imaging investigations by plain radiographs and MRI showed a large mass with calcifications, soft tissue, fat and fluid components. A total surgical excision was perfomed and histology examination showed teratoma with no malignant features. Two weeks post...

Specimen collection: an essential tool.

An analysis of blood specimen container leakage.

Procedures have been designed to test specimen containers for leakage, using blood and aqueous fluorescein solution as indicators. They have been used in a trial evaluation of a number of commercially available containers intended for medical specimens. Glass bijou bottles, evacuated container systems, and several types of plastic container showed no significant leakage rate with either blood o...

Diagnosis of an Immature Nyctosaurus (Pterosauria) Specimen

TERESA PEREZ The Dinosaur Institute, Natural History Museum of Los Angeles County, Los Angeles, California, 90007 ______________________________________________________________________________ Abstract. Nyctosaurus is a middle-sized Cretaceous pterodactyloid pterosaur contemporaneous with the closely related, and far more abundant, Pteranodon. Nyctosaurus was smaller than Pteranodon and possess...