Search results for “abdominal ct ”
134 results found
Article
Inferior vena cava leiomyosarcoma
Inferior vena cava leiomyosarcomas are the most common type of retroperitoneal leiomyosarcoma and most common primary malignancy of the inferior vena cava (IVC).
Epidemiology
Three-quarters of cases occur in women, usually aged 40-60 years 2.
Clinical presentation
When symptomatic, patients ...
Case
Hepatoblastoma with pulmonary metastases
Published
02 Dec 2023
68% complete
CT
Article
Clear cell sarcoma of the kidney
Clear cell sarcomas of the kidney (CCSK) are a rare mesenchymal renal tumor that account for ~5% of primary renal neoplasms in the pediatric population 1.
Epidemiology
Clear cell sarcoma of the kidney is the second most common primary malignant pediatric renal neoplasm after Wilms tumor, with...
Article
Extrarenal rhabdoid tumor
Extrarenal rhabdoid tumors, also known as rhabdoid tumors of soft tissue or malignant rhabdoid tumors are highly malignant neoplasms of uncertain differentiation mainly seen in infants and children.
Epidemiology
Extrarenal rhabdoid tumors are very rare and most are found in infants and childre...
Article
Adenocarcinoma (urinary bladder)
Adenocarcinoma of the urinary bladder is rare and accounts for only ~1% of all bladder cancers (90% are transitional cell carcinomas).
Pathology
Metaplasia of urinary bladder induced by chronic irritation or infection can lead to adenocarcinoma. Pathological types of adenocarcinoma of the urin...
Article
Chylous ascites
Chylous ascites (also known as chyloperitoneum) is defined as the abnormal intraperitoneal accumulation of milky lymphatic fluid with a triglyceride level >110 mg/dL 1. Etiologically it is due to a disruption of the lymphatic system, most commonly obstructive due to a mass or traumatic (which ma...
Article
Pseudomyxoma peritonei
Pseudomyxoma peritonei refers to a syndrome of progressive intraperitoneal accumulation of mucinous ascites related to a mucin-producing neoplasm. It is most commonly caused by a mucinous tumor of the appendix 10.
Much less commonly, mucinous tumors of the colon, rectum, stomach, pancreas, and ...
Article
Carcinoid tumor
Carcinoid tumors are a type of neuroendocrine tumor that can occur in a number of locations. Carcinoid tumors arise from endocrine amine precursor uptake and decarboxylation (APUD) cells that can be found throughout the gastrointestinal tract as well as other organs (e.g. lung). In general, they...
Article
Undifferentiated pleomorphic sarcoma
Undifferentiated pleomorphic sarcoma (UPS), previously known as malignant fibrous histiocytoma (MFH), is considered the most common type of soft tissue sarcoma. It has an aggressive biological behavior and a poor prognosis.
In the majority of cases, undifferentiated pleomorphic sarcoma affects ...
Article
Malignant biliary tract obstruction (summary)
This is a basic article for medical students and other non-radiologists
Malignant biliary tract obstruction (MBTO) represents a group of conditions that cause obstructive jaundice. While most examples are the result of pancreatic head cancers, other malignancies may be causative.
Reference art...
Case
Chondrosarcoma of the spine
Published
07 Dec 2016
80% complete
CT
X-ray
Article
Pancreatic lymphoma
Pancreatic lymphoma is most commonly a B-cell subtype of non-Hodgkin lymphoma
Epidemiology
Pancreatic lymphoma is typically seen in middle-aged patients with a mean age of around 55 years old and is more common in immunocompromised patients.
Clinical presentation
Symptoms are often non-speci...
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...
Article
Endometrial carcinoma
Endometrial carcinoma is generally considered the most common gynecological malignancy. It frequently presents with vaginal bleeding. Both ultrasound and pelvic MRI are useful modalities for evaluation.
Epidemiology
Endometrial carcinoma is the most common gynecological malignancy, with peak i...
Article
Duodenal adenocarcinoma
Duodenal adenocarcinoma is the most common primary malignancy of the duodenum.
Epidemiology
Adenocarcinoma is the most common primary malignant neoplasm of the duodenum. It represents 0.3% of all gastrointestinal malignancies and accounts for 50-70% of small bowel adenocarcinomas occurring eit...
Case
Hyaline vascular castleman disease ileocolic
Published
11 May 2020
73% complete
CT
Ultrasound
Case
Sclerosing encapsulating peritonitis
Published
29 Jun 2016
71% complete
CT
Article
Primary hepatic lymphoma
Primary hepatic lymphoma (PHL) is very rare, with approximately 100 described cases. If it is being considered as a diagnosis, distant lymphadenopathy, splenomegaly, bone marrow disease, and leukemia should not be present for at least 6 months after the liver tumor has been detected (see: second...
Article
Pleomorphic liposarcoma
Pleomorphic liposarcomas are high-grade malignant neoplasms arising from adipocytic tissues characterized by a variable number of pleomorphic lipoblasts and the absence of areas of well-differentiated liposarcoma and other lines of differentiation.
Epidemiology
Pleomorphic sarcomas are rare an...
Article
Tumors of the small intestine
The small intestine is rarely the site of malignant tumors, although it accounts for ~75% of the entire length of the GI tract and more than 90% of the mucosal surface. Approximately 40 different histologic tumor types have been described.
In this article, an overview will be given of the most...
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