Medicina Facile - Diagnosi e cura del tumore alla prostata in forma avanzata
Prostatic adenocarcinoma is by far the most common histological type and is the primary focus of this article. It is prostata descrizione cancro mri a disease of the elderly male. In the United States, approximatelynew cases are diagnosed each year. Common sites of haematogenous metastases are 22,23 :. Pathologic specimens are graded using the Gleason scorewhich is the sum of the most prevalent and second most prevalent types of dysplasia, each on a scale of 1 to 5, with 5 being the most dysplastic.
TNM staging system is used for staging prostate cancer. Prostate cancer is one of the less common causes of cannonball metastases to the lung.
Ultrasound is used to direct biopsy of suspicious, hypoechoic regions, usually in the peripheral zone. Because of the high incidence of multifocality, systematic sextant biopsies are recommended. Transrectal ultrasound is also the modality of choice for directing brachytherapy seeds into the prostate gland. Routine use of body 3. MRI parameters routinely assessed include the presence of a mass with a low T2 signal, restricted diffusion with reduced ADC and increased tissue capillary permeability prostata descrizione cancro mri dynamic contrast enhanced DCE imaging and calculation of the so-called K trans a calculated time constant for permeability.
These so-called multiparametric techniques are increasingly being used in the assessment of prostate malignancy with MRI Extracapsular extension carries a poor prognosis.
Assess for:. Lymphadenopathy is best appreciated on T1-weighted images. The normal prostate produces a large of amount of citrate from the peripheral zone, prostata descrizione cancro mri tumors do not 3. In normal prostate tissue citrate and polyamine levels are high and choline levels low. The reverse is the case in a tumor. Not accurate at detecting in situ prostate cancer. Scans of the abdomen and pelvis are commonly obtained before the onset of radiation therapy to identify bony landmarks prostata descrizione cancro mri planning.
In advanced disease, CT scan is the test of choice to detect enlarged pelvic and retroperitoneal lymph nodes, hydronephrosis and osteoblastic metastases 5. These patients undergo prostatectomy, brachytherapyor external beam radiation 5. Patients that do not prostata descrizione cancro mri these criteria will usually undergo a combination of hormone therapy and external beam radiation.
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On this page:. Article: Epidemiology Clinical presentation Pathology Radiographic features Treatment and prognosis Differential diagnosis Related articles References Images: Cases and figures Imaging differential diagnosis. Quiz questions. Imaging prostate cancer: a multidisciplinary perspective.
Related Radiopaedia articles Prostate pathology prostata descrizione cancro mri gland prostate tumors prostate prostata descrizione cancro mri prostate biopsy imaging in prostate adenocarcinoma extracapsular extension prostate peripheral zone T2 hypointensity dynamic contrast enhancement MR spectroscopy prostate adenocarcinoma staging Gleason score PI-RADS prostate sarcoma infections of the prostate prostatitis acute bacterial prostatitis chronic prostatitis chronic bacterial prostatitis chronic prostatitis prostata descrizione cancro mri chronic pelvic pain syndrome CPPS asymptomatic inflammatory prostatitis granulomatous prostatitis prostatic tuberculosis emphysematous prostatitis prostatic abscess benign prostatic hypertrophy cystic lesions of the prostate prostatic utricle cyst prostatic cystadenoma prostatic calcification prostatic infarction.
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Systems: UrogenitalOncology. Tags: prostateprostate malignancy. Synonyms or Alternate Spellings: Prostate Prostata descrizione cancro mri Prostatic adenocarcinoma Carcinoma of prostate Cancer of prostate Prostate cancer Adenocarcinoma of prostate Prostate carcinoma Prostate cancers Prostate carcinomas Prostatic adenocarcinomas Prostate cancer Prostate adenocarcinoma Prostate adenocarcinomas Prostatic cancer Prostatic cancers Prostatic carcinomas Cancer of the prostate Carcinoma of the prostate Adenocarcinoma of the prostate.
Support Radiopaedia and see fewer ads. Cases and figures. Case 1: with metastases Case 1: with metastases. Case 2: T2 axial Case 2: T2 axial. Case 3: with osteoblastic metastases Case 3: with osteoblastic metastases. Case 4: with bone metastases Case 4: with bone metastases. Case 5: with bone metastases Case 5: with bone metastases.
Case 6: with bone metastases Case 6: with bone metastases. Case 7: bone metastases Case 7: bone metastases. Case 8: with local recurrence Case 8: with local recurrence. Case 9 Case 9. Case paramagnetic techniques Case paramagnetic techniques. Case with diffuse osteoblastic metastases Case with diffuse osteoblastic metastases. Case 12 Case Case 13 Case Case bone metastases Case bone metastases. Case osseous metastases Case osseous metastases. Case 17 Case Imaging differential diagnosis.
Benign prostatic hyperplasia Benign prostatic hyperplasia. Prostatic sarcoma Prostatic sarcoma. Melanoma of prostate Melanoma of prostate. Loading more images Close Please Note: You can also scroll through stacks with your mouse wheel or the prostata descrizione cancro mri arrow keys. Loading Stack - 0 images remaining. By System:. Patient Cases. Contact Us.