895 results found
Article
Reticuloendothelial system
The reticuloendothelial system (RES) comprises a number of tissues:
spleen
bone marrow
liver Kupffer cells
Article
Large bowel lymphoma
Large bowel (colorectal) lymphoma is a very rare tumor, accounting for <0.5% of primary colorectal malignancies, ~1.5% of all lymphomas, and ~15% of gastrointestinal lymphomas. Large bowel lymphoma differs from gastric and small bowel lymphoma in clinical presentation, management, and prognosis....
Article
Lugano classification (response to treatment on CT)
The Lugano classification is a lymphoma staging system resulting from recommended changes in 2011 to the Ann Arbor staging with Cotswolds modifications. This article outlines the classification's response to treatment based on CT.
Also included in the classification are staging and response to...
Article
Thrombocytopenia causes (mnemonic)
A mnemonic to remember the commonest causes of thrombocytopenia is:
PLATELETS
Mnemonic
P: platelet disorders (DIC, TTP, ITP)
L: leukemia
A: anemia
T: trauma
E: enlarged spleen
L: liver disease
E: ethanol
T: toxicity (heparin, aspirin, chemotherapy, benzene)
S: sepsis
Article
Felty syndrome components (mnemonic)
Felty syndrome is a rare condition that involves rheumatoid arthritis, decreased white blood cell count and spleen enlargement.
A mnemonic to remember the basic components of Felty syndrome is:
SANTA
Mnemonic
S: splenomegaly
A: anemia
N: neutropenia
T: thrombocytopenia
A: arthritis (rhe...
Article
Hemochromatosis
Hemochromatosis is an iron overload disorder characterized by a progressive increase in total body iron stores and deposition of iron in some non-reticuloendothelial system (RES) body organs which results in some instances of organ dysfunction.
This article focuses on the general principles of ...
Article
Lymphoma of the spinal cord
Lymphoma of the spinal cord is an uncommon manifestation of lymphoma. Although lymphoma more commonly involves the vertebral body (vertebral body tumors) or epidural compartment, intramedullary lymphoma may rarely occur.
Apparent intramedullary spinal cord lymphoma may often, in fact, represe...
Case
Splenic siderotic nodules
Published
09 Aug 2021
75% complete
Ultrasound
Case
Post transplant lymphoproliferative disorder
Published
20 Oct 2010
42% complete
CT
Article
Pulmonary artery stump thrombosis
Pulmonary artery stump thrombosis describes thrombus formation occurring at the site of the pulmonary arterial stump, a complication following lobectomy or pneumonectomy. It is usually discovered as an incidental finding on routine follow-up chest CT scans.
Epidemiology
The prevalence of pulmo...
Article
Tumors associated with increased erythropoetin
Tumors associated with increased erythropoetin are varied and numerous. Patients will be polycythemic due to erythropoetin secretion. Tumors in this group include:
renal cell carcinoma (RCC) 2
hepatocellular carcinoma (HCC)
hemangioblastoma
Article
Anemia
Anemia is the presence of reduced hemoglobin in the blood. Formally, the World Health Organizatiοn (WHO) defines anemia by the hemoglobin concentration in the blood according to age and sex 1:
adult men: <130 g/L
adult women: <120 g/L
Values for pregnant women and children are different.
Cli...
Case
Non-Hodgkin lymphoma arising from an intramammary lymph node
Published
21 Jan 2016
88% complete
Ultrasound
Mammography
Article
Lymphoma of the uterine cervix
Lymphoma of the uterine cervix is generally uncommon and when it does occur tends to present as cervical involvement with added background multi-organ disease rather than isolated primary cervical lymphoma 1. It is often considered part of the spectrum of uterine lymphoma.
Epidemiology
In the ...
Case
Non-Hodgkin lymphoma
Published
24 May 2016
77% complete
CT
Article
Lymphoma
Lymphoma (historically lymphosarcoma was used for diffuse forms of the disease) is a malignancy arising from lymphocytes or lymphoblasts. Lymphoma can be restricted to the lymphatic system or can arise as extranodal disease. This, along with variable aggressiveness results in a diverse imaging a...
Article
Eosinophilia
Eosinophilia is defined as an abnormally high level of eosinophils in the blood, this is usually defined as >500 cells/μL (normal eosinophil level: <450 cells/μL). Hypereosinophilia is defined as >1500 cells/μL and is usually due to hematological malignancy 1,2.
This article includes recommenda...
Article
Pernicious anemia
Pernicious anemia is the commonest cause of vitamin B12 deficiency (or hypocobalaminemia) in the world and is due to an autoantibody against intrinsic factor, the cofactor required for absorption of this vitamin.
Epidemiology
Pernicious anemia is the commonest cause of hypovitaminosis B12 glob...
Article
Chronic lymphocytic leukemia
Chronic lymphocytic leukemia (CLL) is a hematological malignancy characterized by the proliferation of mostly mature but abnormal leukocytes.
Epidemiology
Chronic lymphocytic leukemia is considered the most common type of leukemia in the Western hemisphere; its prevalence in Europe and North ...
Article
Polyglandular autoimmune syndromes
Polyglandular autoimmune syndromes (PAS) are a rare set of diseases characterized by the presence of ≥2 autoimmune endocrine disease.
Pathology
Three types of PAS have been described.
PAS type I
a.k.a. APECED (autoimmune polyendocrinopathy, candidiasis and ectodermal dystrophy) or MEDAC (mu...
Unable to process the form. Check for errors and try again.