913 results
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
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
Mediastinal lymphoma
Published
25 Oct 2013
83% complete
CT
Case
Felty syndrome
Published
24 Mar 2023
80% complete
CT
Article
Leukemoid reaction
A leukemoid reaction refers to a marked increase in white blood cells (>50000 cells/mL), typically neutrophils, which manifests as an acute inflammatory reaction that can mimic leukemia.
Pathology
Leukemoid reactions often occur from accelerated release of cells from the bone marrow.
Features...
Case
Extramedullary hematopoiesis
Published
07 Aug 2020
95% complete
Annotated image
CT
Case
Angioimmunoblastic lymphoma
Published
09 Aug 2023
95% complete
CT
Article
Lymphomatoid granulomatosis (CNS manifestations)
Lymphomatoid granulomatosis of the central nervous system is uncommon, but represents the second most common site of involvement in patients with systemic lymphomatoid granulomatosis, after the lungs, which are most commonly involved. In the 2021 (5th edition) WHO classification of CNS tumors it...
Case
Renal lymphoma
Published
30 Nov 2018
87% complete
Fluoroscopy
Ultrasound
CT
Pathology
Case
Multiple myeloma - pelvic radiograph
Published
03 Jun 2010
69% complete
X-ray
Article
Lupus anticoagulant
Lupus anticoagulant refers to an immunoglobulin that binds to phospholipids and proteins associated with cell membranes. The name lupus "anticoagulant" is in fact a misnomer as it is a prothrombotic agent. Patients with lupus anticoagulant have a primary hypercoagulable state and a greater prope...
Case
H-shaped vertebrae - sickle cell disease
Published
08 Dec 2021
80% complete
CT
Case
Secondary pulmonary lymphoma
Published
01 Nov 2019
80% complete
CT
Case
Plasmacytoma - sacrum
Published
15 Jun 2023
83% complete
CT
X-ray
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...
Case
Solitary bone plasmacytoma (PET-CT)
Published
20 Dec 2021
79% complete
Nuclear medicine
Case
Extramedullary hematopoiesis - pelvic masses
Published
18 Apr 2023
79% complete
Ultrasound
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