Radiology Notes

My notes during radiology residency, fellowship, and beyond…

Archive for the ‘abdomen’ Category

Hardware

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What are those devices called and what are they used for? Here are some helpful links I use:

Gallery of Medical Devices, Part 1. Radiographics.

Gallery of Medical Devices, Part 2. Radiographics.

Ortho Atlas from University of Washington

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Written by lmwong

June 12, 2013 at 9:10 am

Posted in abdomen, chest, fracture, msk, x-ray

Wilm’s Tumor

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  • Age: 80% <6yo; most common abdominal neoplasm 1-8 yo.
  • Appearance: solid mass in kidney (claw sign), pushing away vessels, not crossing mid-line
  • IVC and renal vein thrombosis
  • Mets to lung, liver, brain, bone
  • Staging
    • I = confined to kidney
    • II = local extension to perinephric space
    • III = lymph nodes
    • IV = distant mets
    • V = bilateral renal
  • DDx: neuroblastoma (crosses mid-line, encases vessels, calcify), multilocular cystic nephroma, sarcoma, RCC, nephroblastomatosis, mesoblastic nephroma, AML, renal medullary carcinoma

 

Written by lmwong

October 28, 2011 at 1:17 pm

Posted in abdomen, GU, pediatrics, renal

Liver metastasis differential

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Hypervascular Liver Metastases
  • RCC
  • Carcinoid
  • Islet cell
  • melanoma
  • thyroid
  • choriocarcinoma
  • Ovarian cystadenocarcinoma
  • pheochromocytoma
Hypovascular Liver Metastases
  • Stomach
  • Colon
  • Pancreas
  • Lung
  • Breast
Hemorrhagic Liver Metastases
  • Colon
  • Thyroid
  • Breast
  • Choriocarcinoma
  • Melanoma
  • RCC
Calcified Liver Mets
  • Mucinous tumors

Dahnert

Written by lmwong

August 15, 2010 at 12:22 pm

Posted in abdomen, differential, gi, liver

Jepperson-Wong-Lai Syndrome

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  • Bilateral fat filled inguinal hernias
  • caused by concomitant weakness in both inguinal rings plus herniation of intra-abdominal fat
  • asymptomatic
  • 50% male
  • Risk factors: obesity, midwest
  • Associations: fatty liver disease, heart disease, diabetes
  • Benign incidental finding

Written by lmwong

April 1, 2010 at 3:19 pm

Neonatal Ascites

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Written by lmwong

March 24, 2010 at 8:20 pm

Pediatric Renal Tumors

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  • Wilm’s tumor
  • nephroblastomatosis
  • Clear cell sarcoma
  • Rhabdoid tumor
  • Hamartoma
  • Angiomyolipoma
  • Ossifying Renal Tumor of Infancy
  • Metanrphric Adenoma
  • Adjacent Neuroblastoma from adrenal gland

Written by lmwong

March 20, 2010 at 10:57 am

Disease and Bowel location

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  • Amebiasis = right colon
  • Lymphoma = ileum
  • Sprue = entire colon
  • Giardiasis = proximal small bowel
  • Yersinia = terminal ileum
  • Crohn’s disease = terminal ileum
  • Ulcerative colitis = rectum

Written by lmwong

February 3, 2010 at 11:10 am