Items tagged “cases3”
343 results found
Article
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, ...
Article
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...
Article
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 ...
Article
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...
Article
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...
Article
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
...
Article
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...
Article
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...
Article
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...
Article
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...
Article
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...
Article
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...
Article
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...
Article
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...
Article
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...
Article
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.
...
Article
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...
Article
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...
Article
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...
Article
Posterior proximal tibiofibular ligament
The posterior proximal tibiofibular ligaments form a part of the proximal tibiofibular joint capsule and belong to the supporting structures of the proximal tibiofibular joint.
Gross anatomy
The posterior proximal tibiofibular ligaments are thinner and less strong than the anterior proximal ti...
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