5,792 results found
Case
Familial adenomatous polyposis
Published
21 Apr 2013
74% complete
CT
Case
Multiple exostosis
Published
30 Apr 2010
86% complete
X-ray
Ultrasound
Article
Protoplasmic astrocytoma (historical)
Protoplasmic astrocytoma is a historical term previously applied to an uncommon variant of diffuse adult-type astrocytomas.
Terminology
The term was removed in the updated 4th edition (2016) of the WHO classification of CNS tumors, with these tumors folded into what is now referred to as astro...
Article
Inferior vena caval thrombosis
Inferior vena caval thrombosis is an essential diagnosis while evaluating any neoplastic lesion, or portal hypertension. It is also important to differentiate bland thrombus from tumor thrombus.
Clinical features
A patient can present with many features which include
bilateral pedal edema
Bu...
Article
Testicular cancer
Testicular cancers are the most common malignancy in men between the ages of 20 and 34 years.
Epidemiology
Testicular cancer is uncommon, accounting for less than 1% of all internal organ malignancies 2.
The commonest histology of the tumor varies with the age of affected individuals. Over 90...
Case
Thoracic lymph node stations (annotated CT)
Published
22 Sep 2018
36% complete
CT
Case
Sacral tumor with lung metastases
Published
24 Jun 2009
57% complete
X-ray
Case
Metastatic neuroblastoma
Published
06 Feb 2018
82% complete
CT
Pathology
Article
Pineoblastoma
Pineoblastomas are tumors that are best thought of as small round blue cell tumors located in the pineal region and thus, they closely resemble (both on imaging and on histology) medulloblastomas and retinoblastomas. They are the most aggressive and highest grade tumor among pineal parenchymal t...
Case
Wilms tumor
Published
02 Apr 2009
92% complete
X-ray
CT
Case
Canon-ball pulmonary metastases from breast cancer
Published
23 Aug 2009
66% complete
X-ray
Article
Adult fibrosarcoma
Adult fibrosarcomas are rare, malignant and highly aggressive fibroblastic soft tissue tumors. They constitute a diagnosis of exclusion.
Epidemiology
Adult fibrosarcomas by definition are rare and make up around 1% of soft tissue sarcomas. They are mostly seen in middle-aged people within the ...
Article
Rectal cancer response assessment
Assessment of rectal cancer response to therapy, which may be chemotherapy, radiotherapy, or a combination, relies on the synthesis of clinical, endoscopic and radiologic evaluation.
The purpose of neoadjuvant therapy is to downstage the tumor, to facilitate surgical resection, and reduce loca...
Article
Anastomosing hemangioma
Anastomosing hemangiomas are benign vascular neoplasms consisting of thin-walled anastomosing vessels. These lesions have been just added to the WHO classification of soft tissue tumors in 2020 as a separate entity 1-3
Epidemiology
Anastomosing hemangiomas are rare lesions with a wide range of...
Article
Mesothelioma
Mesothelioma, also known as malignant mesothelioma, is an aggressive malignant tumor of the mesothelium. Most tumors arise from the pleura, and so this article will focus on pleural mesothelioma.
Given the presence of the mesothelium in different parts of the body, mesothelioma can arise in var...
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
Ovarian cancer (staging)
The most commonly adopted ovarian cancer staging system is the FIGO staging system. The staging system is from 2014 1:
CT is considered the best imaging modality for staging ovarian cancer 4.
stage I: tumor limited to the ovaries
stage Ia:
tumor limited to one ovary
capsule intact
no tu...
Article
NTRK-rearranged soft tissue neoplasm
NTRK-rearranged soft tissue neoplasms (emerging), lipofibromatosis-like neural tumors or NTRK-positive tumor-resembling peripheral nerve sheath tumors are a group of rare molecularly defined spindle cell neoplasms excluding infantile fibrosarcoma 1.2. The tumors form a provisional category of un...
Case
Proximal femoral osteosarcoma
Published
07 Jul 2014
88% complete
X-ray
Article
Reporting and Data Systems (disambiguation)
There has been a proliferation of Reporting and Data Systems (RADS), which have been proposed - and in many cases widely adopted - as standardized systems for the reporting of imaging of various body organs, often, but certainly not always, with a focus on oncological disease 2. These systems al...
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