testicular cancer is one of the commonest cancers in men of working age, and is increasing in incidence in europe and north america. one suggested mechanism of causation is that there is impaired differentiation of germ cells in the pre- or perinatal period, followed by malignant transformation in later life, possibly by a hormonal mechanism. endocrine disrupting chemicals (edcs) have been a ma...

the society for assisted reproductive technology (sart) method of embryo grading is unique, simple, and widely practiced, and its use has been mandatory for sart membership programs since 2010. developed by sart in 2006, the current embryo grading system categories, “good, fair, and poor,” are limited because they do not describe the best 1-2 embryos in the interest of keeping pace with the shi...

Chronic diarrhea is a symptom which persists for ≥ 4 weeks as of disease. often becomes the patient’s cause to be referred gastroenterology. In general, prevalence chronic approximated 5% in each populations, but there are obstacles diagnosing diarrhea, due many differential diagnoses diarrhea. The could neoplasm and non-neoplasm. several studies, through results colonoscopy histopathology, it ...

The study compared the relationship of the contract plan of student evaluation and a traditional type of evaluation, for changes in knowledge and attitudes during a college course in ecological relationships. The Syracuse Environmental Awareness Test was used to measure both cognitive and affective changes. In the experimental group the contract, plan of evaluation was utilized. Subjects were e...

Osteoblastoma is an unusual neoplasm, usually found in the vertebral column and long bones of extremities. Maxillary involvement extremely rare. We present a case report benign osteoblastoma maxilla affecting 17 year old young male patient. The clinical presentation, radiological histopathological features as well treatment modalities this neoplasm are briefly discussed. Lastly attempt made to ...

Metastasis into a thyroid neoplasm-tumor-to-tumor metastasis-is exceedingly rare. We describe the 28th documented case of a tumor metastatic to a thyroid neoplasm and review the literature on tumor-to-tumor metastasis involving a thyroid neoplasm as recipient. All cases showed a recipient thyroid neoplasm with an abrupt transition to a morphologically distinct neoplasm. Metastasis into primary ...

Background: Fine needle aspiration cytology is an important tool in the diagnosis, prognosis and management of breast carcinoma. It has been recommended that cytological grading should be included in the FNA reports to know the tumor aggressiveness and prognostication. Among the many cytological grading systems existing, there is still no agreement on the most reliable system. Aim: The study wa...