60 results found
Case
Squamous cell carcinoma (occult primary)
Published
26 Jul 2023
80% complete
CT
Case
Iliac chondrosarcoma
Published
13 Apr 2023
73% complete
X-ray
MRI
CT
Case
Multiple myeloma - disseminated
Published
26 Mar 2023
74% complete
MRI
X-ray
Article
Peripheral intermediate and high-grade chondrosarcoma
Peripheral chondrosarcomas grade 2 and 3 are malignant intermediate and high-grade chondrogenic neoplasms originating from the bony surface in the chondral cap of pre-existing osteochondromas as a result of malignant transformation, thus the name secondary peripheral chondrosarcoma 1,2. Secondar...
Article
Peripheral atypical cartilaginous tumor/ low-grade peripheral chondrosarcoma
Peripheral atypical cartilaginous tumors/chondrosarcomas grade 1 (ACT/CS1) or low-grade peripheral chondrosarcomas are locally aggressive chondral neoplasms that grow within the cartilaginous cap of pre-existing osteochondromas as a result of malignant transformation. Thus these peripheral chond...
Article
Central atypical cartilaginous tumor/ low-grade chondrosarcoma
Central atypical cartilaginous tumors/chondrosarcomas grade 1 (ACT/CS1) or low-grade central chondrosarcomas are locally aggressive chondral neoplasms that arise centrally within bone from the medullar cavity. They constitute the most common form of conventional chondrosarcoma.
Terminology
The...
Article
Metastatic glioblastoma
Metastatic glioblastoma is a rare progression of glioblastoma, with an incidence of 0.4-0.5% of all glioblastoma cases. The locations can be extraneural, such as leptomeninges and dural venous sinuses, or both extraneural and extracranial, such as solid organs and lymph nodes.
Epidemiology
In ...
Case
Wilms tumor
Published
13 Dec 2022
92% complete
Ultrasound
Nuclear medicine
CT
Case
Retroperitoneal solitary fibrous tumor with malignant transformation
Published
15 Feb 2022
95% complete
Pathology
MRI
CT
Article
Secondary osteosarcoma
Secondary osteosarcomas are osteosarcomas growing on abnormal bone in the setting of various underlying osseous disorders.
Terminology
Other acceptable terms include Paget sarcoma, osteosarcoma in Paget disease of bone or radiation-associated osteosarcoma, if applicable. The terms postirradiat...
Article
CIC-rearranged sarcoma
CIC-rearranged sarcomas or CIC-DUX4 sarcomas are aggressive undifferentiated small round cell sarcomas with CIC-gene fusions most frequently CIC-DUX4. It is an ultra-rare high grade undifferentiated sarcoma, distinct in terms of clinical presentations and molecular characteristics 6.
Epidemiolo...
Article
Sarcoma with BCOR genetic alteration
Sarcomas with BCOR genetic alterations or BCOR sarcomas are uncommon malignant undifferentiated small round cell tumors of soft tissue and bone characterized by BCOR genetic alterations and comprise sarcomas with BCOR-related gene fusions as BCOR-CCNB3 sarcomas and other BCOR-rearranged sarcomas...
Article
Angiofibroma of soft tissue
Angiofibromas of soft tissue are benign fibroblastic soft tissue neoplasms permeated by a vascular network that might be found in the periarticular and articular areas of the lower extremities that have been included as a separate entity in the WHO classification of soft tissue tumors in 2020.
...
Case
Ewing sarcoma - fibula
Published
14 Feb 2021
89% complete
X-ray
MRI
Pathology
Article
Prostate MRI (an approach)
Prostate MRI has become an increasingly frequent examination faced in daily radiological practice and is mainly conducted for the detection, active surveillance and staging of prostate cancer. This approach is an example of how to create a radiological report of a prostate MRI (usually mpMRI) wi...
Article
Sclerosing epithelioid fibrosarcoma
Sclerosing epithelioid fibrosarcomas are rare slow-growing malignant fibroblastic soft tissue neoplasms pictured by a dense sclerotic hyalinized stroma with cords and areas of epithelioid fibroblasts.
Epidemiology
The tumor is rare and usually found in the middle-aged and elderly population. T...
Case
Normal MRI pelvis (rectal cancer protocol)
Published
28 Oct 2020
83% complete
MRI
Case
Endometrial adenocarcinoma
Published
25 Nov 2020
77% complete
MRI
Question
Question 1669
In a child with suspected neuroblastoma, an ultasound confirms a right supra-renal mass. An MRI of the abdomen and pelvis is performed to further assess the tumor. What is the most important additional imaging that should be performed.
Article
Anterior resection syndrome
Anterior resection syndrome refers to a wide spectrum of symptoms that develop following sphincter-preserving anterior resection of the rectum.
Epidemiology
There have been reports that ~50% of patients who undergo anterior resection for rectal cancer develop anterior resection syndrome 2.
Ri...
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