Kidney, Pediatric: Indications and Utility
Kidney, Pediatric: Indications and Utility Wilms tumor is the most common pediatric renal tumor, seen here on CT as a partially enhancing mass within the kidney . A tumor thrombus…
Lymph Nodes, Axillary: Diagnosis
Lymph Nodes, Axillary: Diagnosis Afferent lymphatics enter the node in a central plane. Bisecting the node in this plane is most likely to reveal metastasis. Macrometastases should be detectable regardless…
Liver: Evaluation of Allograft Prior to Transplantation
Liver: Evaluation of Allograft Prior to Transplantation Each component of the liver parenchyma is evaluated systematically: Portal tracts with duct , artery and vein, portal-lobular interface , hepatocytes , and…
Cerebral Hemispheres: Diagnosis
Cerebral Hemispheres: Diagnosis Glioblastoma is the most common and most aggressive brain tumor, illustrated here as a large mass with a hemorrhagic and necrotic center and extending across the corpus…
Lung: Nonneoplastic Diffuse Disease: Diagnosis
Lung: Nonneoplastic Diffuse Disease: Diagnosis Tissue procured to diagnose nonneoplastic lung disease is generally taken as a wedge-shaped fragment from the periphery of 1 or multiple lobes. Staples in the…
Bone Lesion/Tumor: Diagnosis and Margins
Bone Lesion/Tumor: Diagnosis and Margins The morphology of metastatic carcinoma varies widely depending on the type of primary tumor and degree of differentiation. This metastatic adenocarcinoma displays well-formed glandular elements…
Esophagus: Diagnosis and Margins
Esophagus: Diagnosis and Margins The most common esophageal tumor is adenocarcinoma arising near the gastroesophageal (GE) junction. The proximal margin is is covered by squamous mucosa and the distal margin…
Lung: Margins
Lung: Margins The bronchial margin may be identified as 1 or 2 small firm-walled tube(s) . At times, the surgeon may mark the margin with a stitch. The site is…
Fallopian Tube: Diagnosis
Fallopian Tube: Diagnosis An ectopic pregnancy can be a medical emergency and is identified by immature placental villi and implantation site within a fallopian tube. Fimbriae underlie the implantation site….
Liver, Intrahepatic Mass: Diagnosis and Margins
Liver, Intrahepatic Mass: Diagnosis and Margins Oligometastatic colon carcinoma or neuroendocrine tumors to the liver may undergo resection. Surgeons often request intraoperative evaluation of the hepatic margin to ensure complete…
