PURPOSE Primary adenocarcinoma of the lacrimal gland is a rare malignant tumor of the orbit. Up to now, there has been no presentation of its ultrastructural features. The histopathological findings and fine structures of one case of adenocarcinoma of the lacrimal gland are described in the present work. METHODS The patient was a 59-year-old Japanese man with proptosis that had persisted for ...

Sixteen biopsies of laryngeal papillomas from patients 4-21 years old, as well as tissue from scarred areas of laryngeal mucosa which previously bore papillomas, were studied with the electron microscope and compared with normal laryngeal mucosa. Tissue blocks that contained cytoplasmic bodies by light microscopy were serially sectioned for electron microscopic examination. The bodies appeared ...

In order to show the type and severity of gross and histopathologic lesions induce by vaccinal strain (serotype A1) of Pateurella mulocida, ten four-week-old SPF chickens were inoculated intramuscularly with 75 cfu of ( 0.5 ml of 10-7 dilution) bacterium. All birds died in less than 16 hours. No prominent gross lesions were observed in different organs. In microscopic examination, the most comm...

Paecilomyces Sp. are saprophytic fungi, which have rarely been pathogen for human. Herein, we report a case of cutaneous infection with Paecilomyces lilacinus with unusual presentations in a healthy young woman. A biopsy provided an initial diagnosis of fungal elements in the tissue. Multiple positive fungal cultures were obtained from the biopsied tissue. Microscopic and macroscopic examinatio...