907 results
Case
Secondary pulmonary lymphoma
Published
01 Nov 2019
80% complete
CT
Case
Plasmacytoma - sacrum
Published
15 Jun 2023
83% complete
CT
X-ray
Case
Hodgkin Lymphoma
Published
17 Sep 2021
88% complete
Nuclear medicine
Case
Systemic mastocytosis
Published
10 Oct 2010
89% complete
CT
X-ray
Case
Spontaneous rupture of spleen
Published
25 Sep 2017
95% complete
CT
Case
Extramedullary hematopoiesis
Published
10 Aug 2023
87% complete
X-ray
CT
Article
Zebra spleen
Zebra spleen, also referred to as psychedelic spleen, tigroid splenic enhancement or more correctly inhomogeneous splenic enhancement, refers to the transient heterogeneous parenchymal enhancement of the spleen during the arterial or early portal venous phases of contrast enhancement in CT, MRI,...
Article
Concentric target sign (cerebral toxoplasmosis)
The concentric target sign is a typical sign of cerebral toxoplasmosis. It is seen on T2 weighted MR imaging as a deep parenchymal lesion showing a series of concentric rings with hyperintense and hypointense/isointense signals alternatingly. Strong perifocal edema is usually visible on T2/FLAIR...
Article
MALT lymphoma
Mucosa-associated lymphoid tissue (MALT) lymphoma, sometimes shortened to MALToma, is a type of low-grade extranodal lymphoma.
Terminology
In the 5th edition of the WHO classification of haematolymphoid tumors, it is a mature B-cell neoplasm termed extranodal marginal zone lymphoma of mucosa-a...
Article
Extramedullary hematopoiesis
Extramedullary hematopoiesis is a response to the failure of erythropoiesis in the bone marrow.
This article aims to a general approach on the condition, for a dedicated discussion for a particularly involved organ, please refer to the specific articles on:
extramedullary hematopoiesis in the...
Article
Orbital lymphoma
Primary lymphoma of the orbit is one of the most common orbital tumors and accounts for as much as half of all orbital malignancies. It is a B-cell non-Hodgkin lymphoma, and in most cases arises from mucosa-associated lymphoid tissue (MALT).
Epidemiology
Orbital lymphomas account for only 2% o...
Article
Anti Sjögren syndrome related antigen antibodies
Anti Sjögren’s syndrome related antigen antibodies are a group of antibodies against autoantigens which include
Ro/SSA
anti-Ro52
anti-Ro60
La/SSB
They are currently thought to be associated a number of autoimmune conditions.
They were originally identified in patients with
Sjögren syndrom...
Article
Anaplastic large cell lymphoma (ALK+/ALK-)
Anaplastic large cell lymphomas (ALCL) are group of mature T-cell lymphoma first described in 1985 as a large-cell neoplasm with anaplastic morphology immunostained by the Ki-1 antibody, which recognizes CD30.
The WHO classification of haematolymphoid tumors recognizes three distinct entities:
...
Article
POEMS syndrome
POEMS syndrome is the acronymic name for a rare multisystem paraneoplastic disorder including the following features:
P: polyneuropathy
O: organomegaly
E: endocrinopathy
M: monoclonal gammopathy
S: skin changes
Clinical presentation
The diagnostic criteria differ from the acronym. Accordi...
Case
Extramedullary hematopoiesis - pelvic masses
Published
18 Apr 2023
79% complete
Ultrasound
Case
Extramedullary hematopoiesis
Published
26 Aug 2016
60% complete
X-ray
Article
Myelodysplastic/myeloproliferative neoplasms
Myelodysplastic syndrome / myeloproliferative neoplasm (MDS/MPN) overlap syndromes refer to a group of chronic clonal myeloid malignancies in which there are features of both myelodysplastic syndrome and myeloproliferative neoplasm at the time of presentation.
Entities that can fall into this g...
Case
Osteosclerosing myeloma
Published
23 Jun 2020
92% complete
CT
Case
Anatomical planes (creative commons illustration)
Published
20 Mar 2018
32% complete
Diagram
Case
Anatomical relations (creative commons illustration)
Published
20 Mar 2018
32% complete
Diagram
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