chapter 22 microbial diseases of the nervous system quizlet

Ngày tải lên: 12/08/2014, 18:20

... converted by the enzyme 5α- reductase to dihydrotestosterone in the gland. The periurethral portion of the gland increases in size during puberty and after the age of 55 due to the growth of nonmalignant ... Diseases of the Prostate Benign and Malignant Diseases of the Prostate: Introduction Benign and malignant changes in the prostate increase with age. Autopsies of men in the eighth decade of life ... although the disease remains the second leading Chapter 091. Benign and Malignant Diseases of the Prostate (Part 1) Harrison's Internal Medicine > Chapter 91. Benign and Malignant Diseases...

Ngày tải lên: 07/07/2014, 02:20

... proviso that the risks and benefits of the performance of these Chapter 091. Benign and Malignant Diseases of the Prostate (Part 2) Diagnosis and Treatment by Clinical State The disease ... were high-grade [37% (280 of 757 cancers) vs. 22% (237 of 1068 cancers) for the placebo group] have been shown to be an artifact of the reduced volume of the malignant epithelial cells in finasteride-treated ... trial. The prostate cancer detection rate was 18.4% (803 of 4364) in the finasteride group and 24.4% (1147 of 4692) in the placebo group. Early concerns that the cancers detected in the finasteride...

Ngày tải lên: 07/07/2014, 02:20

... amount of cancer is quantified based on the length of the tumor within the core and the percentage of the core involved. accuracy for men with a PSA between 4 and 10, the risk of cancer ... changed the clinical spectrum of the disease. Now, 95–99% of newly diagnosed cancers are clinically localized, 40% are not palpable, and of these, 70% are pathologically organ-confined. The Chapter ... Malignant Diseases of the Prostate (Part 3) The PSA criteria used to recommend a diagnostic prostate biopsy have evolved over time. The goal is to increase the sensitivity of the test for...

Ngày tải lên: 07/07/2014, 02:20

... absence of capsular invasion, involvement of seminal vesicles, and extension of disease to lymph nodes. Because of the inadequacy of DRE for staging, the staging system was modified to include the ... score of 2–10 for each tumor. The most poorly differentiated area of tumor (i.e., the area with the highest histologic grade) often determines biologic behavior. The presence or absence of perineural ... Malignant Diseases of the Prostate (Part 4) Pathology The noninvasive proliferation of epithelial cells within ducts is termed prostatic intraepithelial neoplasia. PIN is a precursor of cancer,...

Ngày tải lên: 07/07/2014, 02:20

... radiation therapy, or active surveillance. Choice of therapy requires the consideration of several factors: the presence of symptoms, the probability that the untreated tumor will adversely affect the ... treatment. Data from the literature do not provide clear evidence for the superiority of any one treatment. Comparison of outcomes of various forms of therapy is limited by the lack of prospective ... treatment, and the probability that the tumor can be cured by single-modality therapy directed at the prostate or requires both local and systemic therapy to achieve cure. As most of the tumors...

Ngày tải lên: 07/07/2014, 02:20

Ngày tải lên: 07/07/2014, 02:20

Ngày tải lên: 07/07/2014, 02:20

Ngày tải lên: 07/07/2014, 02:20

Ngày tải lên: 07/07/2014, 02:20