Interactive lecture Dr. Abdulrahman Alhawas, MD

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Presentation transcript:

Interactive lecture Dr. Abdulrahman Alhawas, MD Assistant Professor and Consultant Radiologist

Name 5 radiological modalities

Name 5 radiological modalities X-RAY Flouroscopy U/S MRI CT scan Nuclear Medicine Angiography

Mention 2 abnormalities? What is the modalities? Mention 2 abnormalities?

What is the modalities? Plain X-RAYS Mention 2 abnormalities? Multiple air-Fluid levels and Stack of coins signs

What is the name of the study? Name the labelled structures? 4 5 6 3 7 2 8 1

Rectum Sigmoid colon Descending colon Splenic flexure Transverse colon Double barium enema 4 5 6 Rectum Sigmoid colon Descending colon Splenic flexure Transverse colon Hepatic flexure Ascending colon cecum 3 7 2 8 1

What is the modality? What is the diagnosis?

What is the modality? Barium meal - fluoroscopy What is the diagnosis? Hiatus hernia

What is the modality? What is the name of the sign? What is the diagnosis?

What is the modality? Barium enema – fluoroscopy What is the name of the sign? Lead pipe sign What is the diagnosis? IBD – Ulcerative colitis

What is the name of the study? What is structure labeled on the left image? What is the diagnosis of the patient on right image? What is the gold standard image modality for such diagnosis? What is the alternative image modality in pregnant/pediatric patients?

What is the name of the study? CT scan What is structure labeled on the left image? appendix What is the diagnosis of the patient on right image? appendicitis What is the gold standard image modality for such diagnosis? What is the alternative image modality in pregnant/pediatric patients? CT scan is the gold standard, U/S is the alternative.

What is the name of the study? What is the pertinent sign? What is the diagnosis?

What is the name of the study? Barium enema What is the pertinent sign? Apple-core sign What is the diagnosis? Colon cancer

Examples of colon cancer in barium enema and CT scan

What is the name of the modality? What is the diagnosis? What are the expected symptoms the patient has?

What is the name of the modality? UltraSound What is the diagnosis? Gallstone with cholecystitis What are the expected symptoms the patient has? RUQ pain radiating to right shoulder aggravating by fatty meal

What is the name of the modality? What is the findings? What is the diagnosis? What is the important of this disease?

What is the name of the modality? UltraSound What is the findings? Hyperechoic lesions within the wall What is the diagnosis? Gallbladder adenomyomatosis What is the important of this disease? Misdiagnose with stone, benign lesion and can convert to malignant lesions, F/U is needed.

What is the modality? What is the findings? What is the diagnosis?

What is the modality? Ultrasound What is the findings? Shrink, nodular surface, hyperechoic texture, ascites. What is the diagnosis? Liver cirrhosis

What is the modality? What is the findings? What is the diagnosis? What is other imaging modality to confirm the diagnosis?

What is the modality? U/S What is the findings? Hyper-echoic focal hepatic nodule What is the diagnosis? hemangioma What is other imaging modality to confirm the diagnosis? Triphasic liver CT scan MRI

Triphasic liver CT scan of the same patient

What is the modality? What are the findings? What is the diagnosis?

What is the modality? Triphasic liver CT scan What are the findings? Focal hepatic lesion with fill-in enhancement What is the diagnosis? HCC

What is the modality? What is the findings? What is the diagnosis? What is the expected symptoms and signs the patient has?

What is the modality? U/S What is the findings? Hyperechoic lesion in CBD What is the diagnosis? CBD stone What is the expected symptoms and signs the patient has? Yellow discoloration. RUQ pain. Hyper-bilirubinemia.

Diagnosis??