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Biomedical subjects

H M Kaplan

Publications and source records attributed to H M Kaplan.

At least 19 recordsLinked to original sources

A novel surgical method of repair for Stahl's ear: a case report and review of current treatment modalities.

Stahl's ear is a congenital malformation of the auricle, which is uncommon in non-Oriental societies. A number of different treatment modalities have been suggested, many of which yield unpredictable results. We review current treatment modalities from the English literature and describe a novel, simple surgical method of repair. First, a helical rim incision is made to expose the abnormal third crus and upper pole of the ear. The third crus is excised as a narrow wedge of cartilage and posterior skin, and the defect is closed primarily. The free third crus cartilage is then grafted onto the scaphal cartilage in an anatomically correct position to form a superior crus. The anterior skin flap is redraped and bolstered over this graft. Only a very small scar on the helical rim remains visible anteriorly.

Child↗

Granulomatous laryngitis of unknown etiology.

A 21-year-old man was admitted for odynophagia and hoarseness of four months duration. He smoked one and a half packs of cigarettes a day and occasionally inhaled marijuana. Indirect laryngoscopy revealed a massive swelling of the entire epiglottis, aryepiglottic folds, and arytenoids. The histopathologic diagnosis of chronic but active nonspecific inflammation was made. Combined antibiotics and steroid therapy gave temporary relief. He was readmitted several months later with progressive shortness of breath, dysphagia, and hoarseness. Biopsy of the epiglottic tissues showed multiple noncaseating epithelioid granulomatous lesions consistent with sarcoidosis. All pertinent laboratory tests failed to establish a definitive diagnosis. The patient eventually underwent supraglottic laryngectomy. He has been symptom-free for 20 months following surgery.

Adult↗

The germfree leopard frog (Rana pipiens): preliminary report.

Eggs and sperm were aseptically collected from leopard frogs (Rana pipiens) and passed into sterilized flexible film isolators. Egg fertilization was accomplished, and germfree tadpoles were produced. The germfree tadpoles were active and free-swimming for 3 weeks, but only 6.2% survived to 4 weeks of age. None survived after the 4th week.

Animals↗

Change in the mental health field?

An analysis of the current roles of the federally funded community mental health center and the public mental hospital suggests that despite the rhetoric about a community mental health revolution, the mental field has yet to undergo significant change. Ideological, political, economic, and structural barriers-characteristics of the field itself-impede such change outside, inside, and across the centers and hospitals. Recent court decisions on patients' rights, however, have the potential for moving the field into a period where "bold new action" actually can occur.

Attitude of Health Personnel↗

Dichlorvos effects on estrous cycle onset in the rat.

Continuous exposure to dichlorvos (DDVP) vapors from birth in rats caused a statistically significant mean delay of 10 da in the onset of the first estrous cycle. DDVP, BUT NOT ITS PRIMARY METABOLITE (DES-METHYL DDVP), could be readily isolated from blood and ovarian tissue, and occassionally in minute quantities from the kidney and adrenal tissues. DDVP was recovered only once in 40 brain tissue samples examined.

Adrenal Glands↗