908 results
Article
Splenic pseudocyst
Splenic pseudocysts, also known as secondary splenic cysts, are acquired cystic lesions not delineated by a true epithelial wall. They represent the majority of the splenic cystic lesions, corresponding to approximately 80% of them (cf. splenic epithelial cysts). The main causes are:
splenic t...
Case
Clavicle plasmacytoma
Published
10 Jan 2024
79% complete
X-ray
Article
Lederer-Brill disease
Lederer-Brill disease is a transient autoimmune hemolytic anemia with very variable clinical features 1.
Epidemiology
Lederer-Brill disease is slightly more prevalent in females 1.
Clinical presentation
It usually occurs in children with a recent history of infection. Symptoms and signs incl...
Article
Gallbladder lymphoma
Gallbladder lymphoma is exceedingly rare and presents diagnostic challenges due to its imaging characteristics often resembling those of gallbladder adenocarcinoma.
Epidemiology
Primary lymphomas of the gallbladder are extremely rare, accounting for approximately 0.1-0.2% of all malignant tumo...
Case
Secondary hemochromatosis
Published
09 May 2016
95% complete
CT
Article
Small bowel lymphoma
Small bowel lymphoma is one of the most common small bowel malignancies, accounting for ~25% of all primary small bowel malignancies, and ~40% of all primary gastrointestinal lymphomas.
Epidemiology
Small bowel lymphoma is most commonly secondary extranodal involvement in widespread systemic l...
Article
Paraneoplastic syndromes
Paraneoplastic syndromes occur secondary to the indirect effects of a malignancy and occur remotely to the primary malignancy. Symptoms are mediated by cytokines, hormones or immune cross-reactivity. These syndromes can cause a diverse range of symptoms and can affect multiple systems.
Epidemio...
Article
Wiskott-Aldrich syndrome
Wiskott-Aldrich syndrome (WAS) is a rare immunodeficiency disease.
Epidemiology
The incidence quoted is approximately 4 per million live male births, although there can be regional variation. Rarely occurs in females.
Associations
splenic hamartoma
infantile cortical hyperostosis 3
Clinica...
Article
Years criteria for pulmonary embolism
The YEARS criteria is a diagnostic algorithm that determines the risk of pulmonary embolism (PE) derived from three items in the Wells score that are most predictive of PE1. Unlike the Wells score, it uses a variable D-dimer threshold based off clinical pre-test probability. The YEARS criteria i...
Case
Neurotoxoplasmosis - concentric target sign
Published
30 Aug 2019
95% complete
CT
MRI
Article
Acute erythroid leukemia
Acute erythroid leukemia (AML-M6 or AEL) is defined as a subtype of acute myeloid leukemia (AML) with predominance of erythroid precursors.
In 2022, the World Health Organization (WHO) defined AEL as a biopsy with ≥30% proerythroblasts and erythroid precursors that account for ≥80% of cellulari...
Case
Myelofibrosis
Published
05 Apr 2024
79% complete
X-ray
Ultrasound
Case
Splenic hydatid cyst
Published
05 Apr 2024
77% complete
CT
Question
Question 2246
Which of the following entities is LEAST likely to present as a lobulated pachymeningeal mass?
Question
Question 45
Looser zones, also called Umbauzonen or Milkman lines, are characteristically seen in which of the following conditions?
Question
Question 745
Which of the following features is NOT true about immunodeficiency-associated CNS lymphomas compared to sporadic primary CNS lymphoma?
Case
Complications of sickle cell disease
Published
25 Sep 2023
93% complete
CT
X-ray
Fluoroscopy
Article
Evans syndrome
Evans syndrome is an autoimmune condition with two or more cytopenias, usually caused by autoimmune hemolytic anemia (AIHA) and immune thrombocytopenia (ITP), with or without immune neutropenia.
Epidemiology
Evans syndrome is considered rare, with defining bicytopenias present in less than 5% ...
Case
Sickle cell disease
Published
08 Apr 2024
73% complete
Ultrasound
CT
Article
Cotswolds-modified Ann Arbor classification
The Cotswolds-modified Ann Arbor classification is a lymphoma staging classification system for both Hodgkin lymphoma and non-Hodgkin lymphoma. They came about in 1988 following recommended modifications to the Ann Arbor staging system after a meeting in Cotswold, England.
This classification h...
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