Articles

Articles are a collaborative effort to provide a single canonical page on all topics relevant to the practice of radiology. As such, articles are written and edited by countless contributing members over a period of time. A global group of dedicated editors oversee accuracy, consulting with expert advisers, and constantly reviewing additions.

7 results found
Article

Adenoid tonsils

The adenoid tonsils, or often just simply the adenoids, (also known as the nasopharyngeal or pharyngeal tonsils) are paired foci of lymphatic tissue located on the superoposterior wall of the nasopharynx and form part of Waldeyer's ring.
Article

Anatomy curriculum

The anatomy curriculum is one of our curriculum articles and aims to be a collection of articles that represent the core anatomy knowledge for radiologists and imaging specialists. General anatomy Neuroanatomy Head and neck anatomy Thoracic anatomy Abdominal and pelvic anatomy Spinal anat...
Article

Labeled imaging anatomy cases

This article lists a series of labeled imaging anatomy cases by system and modality. Brain CT head: non-contrast axial CT head: non-contrast coronal CT head: non-contrast sagittal CT head: angiogram axial CT head: angiogram coronal CT head: angiogram sagittal CT head: venogram axial CT ...
Article

Reticuloendothelial system

The reticuloendothelial system (RES) comprises a number of tissues: spleen bone marrow liver Kupffer cells
Article

Retrorenal spleen

Retrorenal spleen refers to variant position of the spleen, when its inferior portion lies posterior to the upper pole of the left kidney. This normal variant occurs in ~20% of patients, with the finding more common in patients who lie supine 1. Recognition of this variant is important to avoi...
Article

Spleen

The spleen is an organ of the hematological system and has a role in immune response, storage of red blood cells and hematopoiesis. Gross anatomy The spleen is a wedge-shaped organ lying mainly in the left upper quadrant (left hypochondrium and partly in the epigastrium) and is protected by th...
Article

Splenunculus

Splenunculi (also known as supernumerary spleens, accessory spleens, or splenules) are small nodules of spleen that are separate from the rest of the organ.  Epidemiology They are common, seen in up to 16% of CTs of the abdomen and up to 30% of autopsies 2.  Pathology Accessory spleens are c...

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