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 continuously improved upon by countless contributing members. Our dedicated editors oversee each edit for accuracy and style. Find out more about articles.
11 results found
Article
Labeled imaging anatomy cases
This article lists a series of labeled imaging anatomy cases by body region and modality.
Brain
CT head: non-contrast axial
CT head: non-contrast coronal
CT head: non-contrast sagittal
CT head: non-contrast axial with clinical questions
CT head: angiogram axial
CT head: angiogram coronal
...
Article
Lymphatic system
The lymphatic system (also known as the lymphoid system or systema lymphoideum in Terminologia Anatomica) is the collective term given to the lymphatic vessels and lymphoid tissues in the body 1,4.
Terminology
Occasionally the lymphatic system is considered with the reticuloendothelial system ...
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...
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
Lymph nodes
The lymph nodes (commonly shortened to nodes, and known as nodus lymphoideus in TA 4) collectively form one of the secondary lymphoid organs.
Gross anatomy
Macroscopically, a normal lymph node is a small ellipsoid structure, approximately 0.1 to 2.5 cm in maximal length 2,3. Nodes often posses...
Article
Adenoid tonsil
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
Immunity
The human body regularly encounters harmful micro-organisms, and because of this it has developed a system of defenses to help identify and eliminate infective pathogens in the body, known as immunity, executed by the immune system. This system also contributes to antioncogenic mechanisms.
Type...
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
Lymphoid organ
The lymphoid organs represent sites in the body in which lymphocytes are concentrated. They are divided into primary and secondary lymphoid organs 1.
Primary
Primary lymphoid organs are responsible for the generation of new lymphocytes:
bone marrow
thymus
Secondary
Secondary (a.k.a. periph...
Article
Reticuloendothelial system
The reticuloendothelial system (RES) comprises a number of tissues:
spleen
bone marrow
liver Kupffer cells
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...
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