Items tagged “cases3”

344 results found
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Structural heart disease

Structural heart disease refers to any non-coronary congenital or acquired cardiac defect in a broad sense. In a narrower sense, it refers to any type of non-coronary heart disease for which there are therapeutic percutaneous interventional or catheter-based options available. Typical examples ...
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Coronary CT angiography (protocol)

The coronary CT angiography or cardiac CT angiogram protocol is the most common dedicated cardiac CT examination and is a non-invasive tool for the evaluation of the coronary arteries. Note: This article is intended to outline some general principles. Protocol specifics especially medications, ...
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CT triple rule out (protocol)

A triple rule out (TRO) protocol is a cardiac CT protocol that aims to assess for different problems at the same time in one single examination: obstructive coronary artery disease, aortic dissection or pulmonary embolism. The approach itself has been continuously under discussion due to diffic...
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Prostate imaging recurrence reporting

Prostate imaging recurrence reporting (PI-RR) or prostate MRI for local recurrence reporting is a structured reporting scheme similar to the Prostate Imaging-Reporting and Data System (PIRADS) v2.1 on multiparametric prostate MRI for the detection of local recurrence after radical prostatectomy ...
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Small cell carcinoma of the prostate

Small cell carcinomas of the prostate (SCCP) or small cell neuroendocrine carcinomas of the prostate are neuroendocrine tumors and are characterized by aggressive behavior and a proliferation of small cells. Epidemiology Small cell neuroendocrine carcinomas of the prostate are rare 1,2 and mak...
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O sign

The O sign is a radiographic sign described in gastric band slippage. Normally, a correctly-sited laparoscopic gastric band lies such that its anterior and posterior margins are superimposed in the anteroposterior orientation and a oblong morphology is visible on a frontal radiograph.  When a g...
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Large cell neuroendocrine carcinomas of the prostate

Large cell neuroendocrine carcinomas (LCNEC) of the prostate or prostatic large cell neuroendocrine carcinomas are very aggressive and rare high-grade neuroendocrine tumors that are usually observed in the presence of an already existing adenocarcinoma and very rarely found alone. Epidemiology ...
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Well-differentiated neuroendocrine tumor of the prostate

Well-differentiated neuroendocrine tumors of the prostate also known as low-grade neuroendocrine carcinoma of the prostate or carcinoid tumors of the prostate are low-grade neuroendocrine tumors arising from the prostate that may metastasize. Epidemiology Well-differentiated neuroendocrine tum...
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Adenocarcinoma of the prostate with neuroendocrine differentiation

Adenocarcinoma of the prostate with neuroendocrine differentiation is a malignant neuroendocrine tumor of the prostate which only differs from acinar or ductal adenocarcinoma on immunohistochemistry staining. Diagnosis The diagnosis of adenocarcinoma of the prostate with neuroendocrine differe...
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Ductal adenocarcinoma of the prostate

Ductal adenocarcinomas of the prostate or prostatic ductal adenocarcinomas are malignant glandular neoplasms of the prostate and tend to be more aggressive than acinar adenocarcinomas. Terminology Due to its morphologic resemblance, it has been formerly referred to as 'endometrial' or 'endomet...
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High-grade prostatic intraepithelial neoplasia

High-grade prostatic intraepithelial neoplasia (HGPIN) refers to a proliferation of glandular epithelial cells and is generally considered a nonobligatory precursor lesion of invasive prostate cancer. Epidemiology High-grade prostatic intraepithelial neoplasia is diagnosed in core needle biops...
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Urothelial carcinoma of the prostate

Urothelial carcinomas or transitional cell carcinomas of the prostate are malignant neoplasms that can occur as primary cancers of the prostate gland. Epidemiology Prostatic urothelial carcinomas account for less than 2-4% of all prostate cancers 1 and are usually seen in middle-aged men 2. A...
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Squamous neoplasms of the prostate

Squamous neoplasms of the prostate include squamous cell carcinomas and adenosquamous carcinomas of the prostate that account for two separate entities in the WHO classification of prostate tumors. Epidemiology Squamous cell carcinomas of the prostate are very rare and encompass <1% of prostat...
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Basal cell carcinoma of the prostate

Basal cell carcinoma of the prostate or prostatic adenoid basal proliferation of uncertain significance is a type of prostate cancer resembling adenoid cystic carcinoma of the salivary glands. Terminology Other terms include 'adenoid cystic carcinoma', 'adenoid basal cell tumor', 'adenoid cyst...
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Adenocarcinoma of the seminal vesicle

Adenocarcinomas of the seminal vesicles are the most common malignant primary neoplasm of the seminal vesicles. Epidemiology Primary adenocarcinomas of the seminal vesicles are very rare 1,2 and can be observed at a wide age range 2. Diagnosis Diagnostic criteria The following modified diag...
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Seminal vesicle amyloidosis

Seminal vesicle amyloidosis refers to the deposition of amyloid in the seminal vesicles and can occur as organ-limited amyloidosis and/or as part of systemic amyloidosis. Epidemiology Amyloid deposition in the seminal vesicles is apparently commonly seen in elderly men with a prevalence rangin...
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Seminal vesicle stones

Seminal vesicle stones or calculi refer to solid mineralized pieces of material within the seminal vesicles. Epidemiology Seminal vesicle calculi are rare and have been mainly reported after the age of 40 years 1. Associations Seminal vesicle calculi are often associated with hematospermia. ...
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Seminal vesicle cystadenoma

Seminal vesicle cystadenomas are a benign subgroup of mixed epithelial and stromal tumors of the seminal vesicles. Epidemiology Benign tumors of the seminal vesicles are very rare and so are cystadenomas 1. Clinical presentation Voiding difficulties or hematuria have been reported as clinica...
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Prostatic leiomyoma

Prostatic leiomyomas are benign mesenchymal tumors of the prostate. Epidemiology Prostatic leiomyomas are very rare 1-3. Diagnosis The diagnosis of prostatic leiomyoma is based on histology. Clinical presentation Prostatic leiomyomas can present with voiding difficulties or obstructive sym...
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Anterior proximal tibiofibular ligaments

The anterior proximal tibiofibular ligaments belong to the supporting structures of the proximal tibiofibular joint and the tibiofibular joint capsule. Gross anatomy The anterior proximal tibiofibular ligaments usually consist of up to four bundles, one located superiorly and two at a mid-leve...