Angiocentric T-cell lymphoma of the tonsil: a case report.

We present a case of an angiocentric T-cell lymphoma (ACTL) occurring in a 31-year-old woman with the Acquired Immunodeficiency Syndrome (AIDS). This patient had oropharyngeal pain, a non-healing superficially ulcerated right tonsil, and no obvious tumor mass. Initial tonsillar biopsy revealed a subtle, non-specific, perivascular lymphocytic infiltrate subjacent to an ulcerated and inflamed mucosal lining. A benign, although atypical, inflammatory process was suspected. The distinctive features in this case include the relationship of ACTL to the Epstein-Barr Virus (EBV), which is usually related to B-cell lymphoproliferative disorders, the unique non-midline location of the lesion, and the relationship of ACTL to AIDS. ACTL appears to represent a unifying pathologic entity encompassing formerly described angioinvasive lymphoid lesions including polymorphic reticulosis, midline lethal granuloma, and lymphomatoid granulomatosis. We present these subtle histopathologic features to alert otolaryngologists who may encounter these cases, especially in AIDS patients who present extensive diagnostic possibilities. To the best of our knowledge, this is the first case report of ACTL involving the tonsil.

Immobilization of baboons (Papio anubis) using ketamine and diazepam.

Ketamine (10mg/kg body weight) was administered intramuscularly in 10 baboons (Papio anubis). Subsequently, a combination of ketamine (10mg/kg body weight) and diazepam (7.5 mg) was administered intramuscularly. Results indicated that using diazepam concurrently with ketamine suppressed or eliminated the epileptoid movements characteristic of anesthesia with ketamine used alone.

Complications of intranasal ethmoidectomy: a review of 1,000 consecutive operations.

A series of 1,000 consecutive intranasal ethmoidectomies performed on 565 patients was reviewed. There were 28 complications (2.8%) in 26 patients. No patient died, and none became blind. This experience suggests that, in experienced hands, intranasal ethmoidectomy for polypoid disease and chronic ethmoid sinusitis can be a safe operation.

Management of congenital ear abnormalities.

Congenital malformation of the ear has a complex origin and the possibility of hereditary, viral and toxic etiologies. The authors require audiometric evaluation, using the objective brain stem evoked response in young children, and polytomography of the middle and inner ears in all patients with atretic external auditory canals. Unilaterally atretic ear canals can be repaired electively at the discretion of the family and the patient, while in bilateral cases reconstruction is ideally done at approximately age four years. Regular follow-up is recommended to be certain that no cholesteatoma develops medial to an atretic external ear canal. The authors propose a working classification for congenital malformation of the ear. In the author's series of 35 operations for the repair of congenital ear abnormalities, 55% were improved to adequate levels of hearing without the use of a hearing aid. Eight exemplary cases and comments are presented.