tumor of the prostate gland
Báo cáo khoa học: "Malignant mixed tumor in the salivary gland of a cat" potx
Ngày tải lên :
07/08/2014, 20:24
... parotid glands [6,17]. Clinical signs
include the presence of an asymptomatic mass in the gland
that is often locally invasive [1,6,17]. An adenocarcinoma
is the most common type of tumor in the ... cases of true malignant mixed
tumors of the salivary gland in humans, the most common
epithelial-origin tumor was squamous cell carcinoma or
adenocarcinoma, whereas the most common non-
epithelial ... caudal base of the right ear. The
mass was surgically removed and histopathologically
confirmed as a malignant mixed tumor, suggesting local
recurrence of the primary tumor. The radiotherapy was...
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Báo cáo y học: "Clinical Strategy for the Management of Solid Pseudopapillary Tumor of the Pancreas: Aggressive or Less"
Ngày tải lên :
25/10/2012, 11:40
... in the uncertainty of the
strategy for its treatment. While further delineati n g
the clinicopathological and radiological features, and
summarizing the surgical therapy strategy of this
tumor, ...
Pseudopapillary Neoplasm of the pancreas (SPN) is
the correct description regarding the terminology.
4,5,6
Despite the increases in recognition of characteristics
of this tumor, which include ... (SPN),
the experience with the management of disseminated
disease is very limited in the literature
6
, therefore,
attention to the therapy strategy of this neoplasm in
the future may allow a...
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Chapter 091. Benign and Malignant Diseases of the Prostate (Part 1) pps
Ngày tải lên :
07/07/2014, 02:20
... 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 ...
examination (DRE).
Prostate Cancer
In 2007 in the United States, ~218,890 prostate cancer cases were
diagnosed, and 27,050 men died from prostate cancer. The absolute number of
prostate cancer...
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Chapter 091. Benign and Malignant Diseases of the Prostate (Part 2) pot
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 ... 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 ...
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...
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Chapter 091. Benign and Malignant Diseases of the Prostate (Part 3) docx
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 ... 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 younger ... to die of the disease and to reduce the frequency of detecting
cancers of low malignant potential in elderly men more likely to die of other
causes. Age-specific reference ranges reduce the upper...
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Chapter 091. Benign and Malignant Diseases of the Prostate (Part 4) potx
Ngày tải lên :
07/07/2014, 02:20
... confined to the gland (T2), and those that have extended
outside the gland (T3 and T4) (Table 91-1). DRE alone is inaccurate with respect
to the extent of the disease within the gland, the presence ... transitional cell tumors of the bladder invade the gland by direct
extension. When prostate cancer is diagnosed, a measure of histologic
aggressiveness is assigned using the Gleason grading ...
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,...
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Chapter 091. Benign and Malignant Diseases of the Prostate (Part 5) pot
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, 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 detected ... 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...
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Chapter 091. Benign and Malignant Diseases of the Prostate (Part 6) docx
Ngày tải lên :
07/07/2014, 02:20
... disruption of the vascular supply and not the nerve fibers.
Neoadjuvant hormone therapy has also been studied in combination with
radiation therapy. The aim is to decrease the size of the prostate ... intensity-modulated radiation therapy
Chapter 091. Benign and Malignant
Diseases of the Prostate
(Part 6)
Radical Prostatectomy
The goal of radical prostatectomy is to excise the cancer completely ... predicted probability of success or failure. In these situations,
all of whom had undergone a transurethral resection of the prostate (TURP).
Pooled data show that the frequency of grade 3 and 4...
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Chapter 091. Benign and Malignant Diseases of the Prostate (Part 7) potx
Ngày tải lên :
07/07/2014, 02:20
... biopsies of the prostate as indicated, but with no
therapeutic intervention(s) until the tumor progresses. Progression can be based on
PSA changes, local tumor growth, the development of symptoms, ... undergone surgery,
prostatectomy for patients who had undergone radiation therapy.
The decision to recommend radiation therapy after prostatectomy is often
made on the basis of the pathologic findings ... disease had spread outside of the area of the prostate bed and is unlikely to be
controlled with radiation therapy.
disease. The practice evolved from studies of predominantly elderly men...
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Chapter 091. Benign and Malignant Diseases of the Prostate (Part 8) docx
Ngày tải lên :
07/07/2014, 02:20
... Malignant
Diseases of the Prostate
(Part 8)
For patients with a rising PSA after radiation therapy, salvage
prostatectomy can be considered if the disease was "curable" at the outset, ...
downregulation of receptors in the pituitary gland, which effects a chemical
castration. They were approved on the basis of randomized comparisons showing
an improved safety profile (specifically, ... 8 years, and 63% of the patients with rising PSA values remained
free of metastases at 5 years. Factors associated with progression included the
Gleason grade of the primary tumor, time to recurrence,...
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Chapter 091. Benign and Malignant Diseases of the Prostate (Part 9) pdf
Ngày tải lên :
07/07/2014, 02:20
... disease. Nevertheless, some men may accept the trade-off of
a potentially inferior cancer outcome for an improved quality of life.
Combined androgen blockade the administration of an antiandrogen ... receive an antiandrogen for the first 2–4 weeks of
treatment to protect against the flare.
Intermittent Hormone Therapy
Another way to reduce the side effects of androgen depletion is to
administer ... Malignant
Diseases of the Prostate
(Part 9)
Antiandrogens
Nonsteroidal antiandrogens such as flutamide, bicalutamide, and nilutamide
block the binding of androgens to the receptor. When...
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Chapter 091. Benign and Malignant Diseases of the Prostate (Part 11) pdf
Ngày tải lên :
07/07/2014, 02:20
...
bedtime) act by relaxing the smooth muscle of the bladder neck and increasing
peak urinary flow rates. No data show that these agents influence the progression
of the disease.
Surgical approaches ... regardless of the size of the
gland, while those with an inability to urinate, gross hematuria, recurrent infection,
or bladder stones may require surgery. In patients with symptoms, uroflowmetry ... plus
prednisone for advanced prostate cancer. N Engl J Med 351:1502, 2004 [PMID:
15470213]
Thompson IM et al: The influence of finasteride on the development of
prostate cancer. N Engl J Med...
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