old (20–47 years old). Of notice, as a standard procedure, all patients were submitted to a careful physical examination including the external genitalia and palpation of the epididymis and testicles. Testicular volume was accessed using a Seager pachymeter and a Prader orchidometer. Any alteration in testis consistency, volume, or irregularity found in the initial examination was followed by a...

Spermatocytic tumor is a rare germ cell not related to neoplasia in situ, and derived from postpubertal-type cells. It was previously called Seminoma due false belief of its origin situ. The usually occurs an older age group orchidectomy curative. We present case spermatocytic 25-year male who presented with right-sided testicular swelling varicocele. Radiology revealed 9.8 × 9 cm mass the pati...

Mesothelial proliferations, either reactive or neoplastic in nature, often pose difficult diagnostic dilemmas. Electron microscopy continues to be a gold standard in the identification of mesothelial differentiation. However, it is very common to apply long panels of antibodies for that purpose. In most cases, light microscopy and immunohistochemistry will solve the problem. However, the defini...

Onabotulinumtoxin A (onabotA) is gaining wide medical use in children. The present study was planned to investigate the influence of its injection on the maturing testicular structures in rats. Immature rats were injected in the bilateral cremaster muscles by onabotA with three doses of (10, 20, and 40 U/kg) three times in a 2-week interval. The effect of these injections on fertility indices w...

The chamois of Abruzzi (Rupicapra pyrenaica ornata) has been classified as endangered by the World Union for Conservation. The objective of this study was to analyze seasonal differences in the characteristics of various male reproductive organs and in semen quality. The study was conduced during 2004 in the reserve of Lama dei Peligni (Italy) on three chamois males aged between 2 and 5 years. ...

Even a superficial examination of the testes of various animals, for example rat and rabbit, is sufficient to make obvious that there are fundamental differences in their vascular supply and that the vessels display remarkable complexity both in their venous and arterial course. That morphological differences may exist between different animals has long been realized; thus de Graff (1677) clear...

Disperse Red 1 (DR1), which is widely used in the textile industry, is an azo dye that contributes to the toxicity and pollution of wastewater. To assess the toxic effects of DR1 on reproduction, sexually mature male mice (Mus musculus, strain CF-1) were orally (gavage) treated with single doses of the compound at 20, 100 and 500 mg/kg body weight. Testicular features and sperm parameters were ...

Effects of adrenalectomy and administration of gonadotropins on cell counts of different cell types of spermatogenesis and morphology of the Leydig cells were studied in 30 day old mice. Adrenalectomy (duration, 12 days; age at autopsy 42 days) caused a significant decrease in the diameters of seminiferous tubules and Leydig cell nucleus and, cell counts of intermediate spermatogonia, round and...