60 results found
Article
Colorectal cancer
Colorectal cancer (CRC) is the most common cancer of the gastrointestinal tract and is one of the most frequently diagnosed malignancies in adults. CT is the mainstay for colon cancer locoregional staging and MRI is the mainstay for rectal cancer locoregional staging.
This article focuses on co...
Article
Neuroblastoma
Neuroblastomas are tumors of neuroblastic origin. Although they may occur anywhere along the sympathetic chain, the vast majority arise from the adrenal gland.
They represent the most common extracranial solid childhood malignancy and are the third commonest childhood tumor after leukemia and b...
Article
Bone marrow
Bone marrow is ubiquitous throughout the skeleton, primarily composed of hematopoietic cells and fat cells between bony trabeculae and fibrous retinacula. It performs numerous physiological functions and dynamically changes during normal aging and in response to stressors and pathology. Although...
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
Prostate cancer
Prostate cancer ranks as the most common primary malignant tumor in men and the second most common cause of cancer-related deaths in men. Prostatic adenocarcinoma is by far the most common histological type and is the primary focus of this article.
Terminology
The aim of prostate MRI is to det...
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
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...
Article
Langerhans cell histiocytosis (skeletal manifestations)
The skeleton is the most commonly involved organ system in Langerhans cell histiocytosis (LCH) and is by far the most common location for single-lesion LCH, often referred to as eosinophilic granuloma (EG) (the terms are used interchangeably in this article). For a general discussion of this dis...
Article
Osteosarcoma
Osteosarcomas are malignant bone-forming tumors. They are the second most common primary bone tumor after multiple myeloma, accounting for ~20% of all primary bone tumors. In children, they are considered the most common primary bone tumor 12. They can be classified into primary and secondary fo...
Article
Labeled imaging anatomy cases
This article lists a series of labeled imaging anatomy cases by body region and modality.
Brain
CT head: non-contrast axial
CT head: non-contrast coronal
CT head: non-contrast sagittal
CT head: non-contrast axial with clinical questions
CT head: angiogram axial
CT head: angiogram coronal
...
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 ...
Article
Peritoneal metastases
Peritoneal metastases are a relatively common location for metastases, particularly from tumors of the abdomen and pelvis, that generally imply a poor prognosis, often with a significant impact on palliation 1.
Terminology
If peritoneal metastases are of an epithelial origin (as most are) and ...
Article
Renal cell carcinoma
Renal cell carcinomas (RCC) (historically also known as hypernephroma or Grawitz tumor) are primary malignant adenocarcinomas derived from the renal tubular epithelium and are the most common malignant renal tumor. They usually occur in 50-70-year old patients and macroscopic hematuria occurs in...
Article
Multiple myeloma
Multiple myeloma (MM), also known as plasma cell myeloma, is a multifocal proliferation of plasma cells based in the bone marrow. It is the most common primary malignant bone neoplasm in adults. It arises from red marrow due to the monoclonal proliferation of plasma cells and manifests in a wide...
Article
Ewing sarcoma
Ewing sarcomas are the second most common malignant primary bone tumors of childhood after osteosarcoma, typically arising from the medullary cavity with the invasion of the Haversian system. Ewing sarcomas usually present as moth-eaten, destructive, and permeative lucent lesions in the shaft of...
Case
Endometrial carcinoma
Published
21 Jan 2017
92% complete
Ultrasound
MRI
Article
Transitional cell carcinoma (renal pelvis)
Transitional cell carcinoma (TCC) of the renal pelvis, also called urothelial cell carcinoma (UCC) of the renal pelvis, is uncommon compared to renal cell carcinoma and can be challenging to identify on routine imaging when small.
This article concerns itself with transitional cell carcinomas ...
Article
Musculoskeletal angiosarcoma
Musculoskeletal angiosarcomas, (along with hemangiopericytomas and hemangioendotheliomas) are tumors that arise from vascular structures. They are typically difficult to distinguish from one another on imaging alone.
Angiosarcomas, are the most aggressive of the three, frequently having metasta...
Article
Krukenberg tumor
Krukenberg tumor, also known as carcinoma mucocellulare, refers to the "signet ring" subtype of metastatic tumor to the ovary. The stomach followed by colon are the two most common primary tumors to result in ovarian metastases, followed by breast, lung, and contralateral ovarian primary tumors....
Case
Retroperitoneal solitary fibrous tumor with malignant transformation
Published
15 Feb 2022
95% complete
Pathology
MRI
CT
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