895 results found
Article
Normal hepatobiliary imaging examples
This article lists examples of normal imaging of the liver and biliary tree and surrounding structures, divided by region and modality.
Liver
Plain radiographs
liver silhouette: example
Ultrasound
liver ultrasound
example 1 with shear wave elastography
liver Doppler ultrasound: example ne...
Case
Lymph node
Published
09 Dec 2020
19% complete
Diagram
Article
Bing-Neel syndrome
Bing-Neel syndrome is an extremely rare neurological complication of Waldenström macroglobulinemia where there is malignant lymphocyte infiltration into the central nervous system (CNS).
Epidemiology
The exact incidence is unknown, however, in one study of patients with Waldenström macroglobul...
Case
Myelofibrosis
Published
27 May 2013
65% complete
X-ray
CT
Article
Sickle cell disease (abdominal manifestations)
Abdominal manifestations of sickle cell disease (SCD) are wide and can involve many organs.
For a general discussion, please refer to sickle cell disease.
Splenic
splenomegaly
may occur transiently with the sequestration syndrome, where rapid pooling of blood occurs in the spleen, resulting ...
Article
Primary myelofibrosis
Primary myelofibrosis is a myeloproliferative neoplasm in which the bone marrow is replaced with collagenous connective tissue resulting in progressive fibrosis. It is characterized by:
extramedullary hematopoiesis
progressive splenomegaly
anemia
variable change in the number of granulocytes...
Case
Generalized lymphadenopathy: cause unknown
Published
16 Mar 2013
92% complete
CT
Article
Rosai-Dorfman disease
Rosai-Dorfman disease, also known as sinus histiocytosis with massive lymphadenopathy or Rosai-Dorfman-Destombes disease, is a rare benign idiopathic proliferative disease that involves phagocytic histiocytes.
Epidemiology
The disease predominantly occurs in young adults with a mean age at pre...
Case
Anterior mediastinal mass - lymphoma
Published
13 Oct 2011
66% complete
Annotated image
X-ray
Article
WHO classification of haematolymphoid tumors
The World Health Organization (WHO) classification of haematolymphoid tumors is the most widely used pathologic classification system for hematopoietic and lymphoid neoplasms. The current revision 1, known as the 5th edition, was published in 2022 and supersedes the 4th edition revised published...
Article
Splenic abscess
Splenic abscesses, like abscesses elsewhere, are localized collections of necrotic inflammatory tissue caused by bacteria, parasites or fungi. They uncommonly affect the spleen due to its efficient reticuloendothelial system phagocytic activity and, consequently, are more likely seen in immunosu...
Article
Lymphoplasmacytic lymphoma
Lymphoplasmacytic lymphoma (LPL) is an uncommon type of B-cell non-Hodgkin lymphoma. In this condition, the affected tissues (usually bone marrow) become infiltrated by small lymphocytes, plasmacytoid lymphocytes, and plasma cells.
Some publications state this condition synonymous with Waldens...
Case
Carbon monoxide poisoning
Published
14 May 2014
77% complete
MRI
Case
Splenic hamartoma
Published
29 May 2013
75% complete
CT
MRI
Article
Notch sign (primary CNS lymphoma)
The notch sign refers to an abnormally deep depression at the tumor margin in contrast-enhanced MRI in primary CNS lymphoma 1. It is not an uncommon sign in primary CNS lymphoma and can be seen in both immunocompetent and immunocompromised patients. It suggests an irregular growth pattern as wel...
Article
Birbeck granules
Birbeck granules refer to unusual rod-shaped structures specific to Langerhans cells. Their origin and function remain undetermined. Langerin is a crucial component within Birbeck granules.
History and etymology
Birbeck granules were first described by Michael S Birbeck in 1961 3.
Related pat...
Case
Anaplastic large cell lymphoma (ALK positive): encircling right brachial plexus
Published
15 Jan 2014
78% complete
CT
Ultrasound
MRI
Case
Thalassemia - spine MRI
Published
12 Aug 2015
95% complete
Annotated image
MRI
Article
Infectious mononucleosis
Infectious mononucleosis (also known as glandular fever) is the term for infection with Epstein-Barr virus (EBV). The infection classically occurs in teenagers and young adults, hence its popular name kissing disease. It is usually a clinical diagnosis, with confirmation by serum testing, but ma...
Article
Marginal zone lymphoma
Marginal zone lymphomas are a group of low grade non-Hodgkin lymphoma that arise from the marginal zone of B cell germinal follicles in lymph nodes. There are three types of marginal zone lymphomas depending on the site of origin, namely mucosa-accosiated lymphoid tissue (MALT), splenic and extr...
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