Interpretation of tumors MCQs

What is the most common imaging modality used for initial evaluation of tumors?
- A) MRI
- B) CT scan
- C) Ultrasound
- D) X-ray
Which imaging characteristic is most suggestive of a malignant tumor?
- A) Well-defined margins
- B) Irregular borders
- C) Homogeneous density
- D) Central calcifications
In breast imaging, what finding is highly suspicious for malignancy?
- A) Round mass
- B) Spiculated mass
- C) Smooth margin
- D) Cystic lesion
What is the significance of microcalcifications in mammography?
- A) Always benign
- B) Can indicate ductal carcinoma in situ
- C) Associated with fibrocystic changes
- D) No clinical relevance
Which imaging feature is characteristic of a meningioma on MRI?
- A) Hyperintense on T1-weighted images
- B) Homogeneous enhancement
- C) Heterogeneous signal intensity
- D) Involvement of brain parenchyma
What is the typical imaging appearance of a renal cell carcinoma on CT?
- A) Hypervascular mass
- B) Hypodense cyst
- C) Fat-containing lesion
- D) Ground-glass opacity
In a CT scan, which finding is associated with metastatic disease?
- A) Liver lesions with variable enhancement
- B) Homogeneous liver texture
- C) Simple cysts
- D) Fatty infiltration
Which MRI sequence is best for characterizing soft tissue tumors?
- A) T1-weighted images
- B) T2-weighted images
- C) Diffusion-weighted imaging
- D) FLAIR sequence
What is the common imaging feature of a glioblastoma on MRI?
- A) Heterogeneous enhancement with edema
- B) Uniform signal intensity
- C) Cystic component
- D) Well-defined margins
What imaging finding suggests a benign osteoma?
- A) Cortical bone expansion
- B) Soft tissue mass
- C) Bone destruction
- D) Periosteal reaction
Which imaging modality is best for evaluating thyroid nodules?
- A) CT scan
- B) Ultrasound
- C) MRI
- D) X-ray
What is the most concerning feature of a thyroid nodule on ultrasound?
- A) Hypoechoic
- B) Microcalcifications
- C) Peripheral halo
- D) Cystic appearance
Which imaging finding is suggestive of hepatocellular carcinoma?
- A) Nodular liver lesion with arterial phase enhancement
- B) Simple liver cyst
- C) Fatty liver changes
- D) Hemangioma
What imaging characteristic is associated with a metastatic lesion in the bone?
- A) Lytic lesions
- B) Sclerotic lesions
- C) Osteoblastic activity
- D) Uniform density
In prostate cancer imaging, what does a lesion with high uptake on PET indicate?
- A) Increased metabolic activity
- B) Benign process
- C) Cyst formation
- D) Fatty infiltration
What does a homogeneous mass in the mediastinum typically indicate?
- A) Lymphoma
- B) Lung cancer
- C) Infection
- D) Metastasis
What is the significance of “onion-skin” appearance in bone lesions?
- A) Suggestive of Ewing’s sarcoma
- B) Benign condition
- C) Osteoarthritis
- D) Osteosarcoma
What finding on a mammogram is indicative of invasive lobular carcinoma?
- A) Ill-defined margins
- B) Well-defined round mass
- C) Calcifications
- D) Simple cyst
Which tumor type is most likely to present with calcifications on imaging?
- A) Lymphoma
- B) Osteosarcoma
- C) Soft tissue sarcoma
- D) Neuroblastoma
What is the typical imaging appearance of a lipoma?
- A) Well-circumscribed hypodense lesion
- B) Heterogeneous density
- C) Periosteal reaction
- D) Irregular borders
What imaging finding is associated with a pancreatic adenocarcinoma?
- A) Mass with hypoechoic features
- B) Cystic lesion
- C) Fatty infiltration
- D) Calcifications
What does the presence of “target sign” on ultrasound indicate?
- A) Bowel wall edema
- B) Ovarian cyst
- C) Simple abscess
- D) Gallbladder stone
Which imaging modality is best for characterizing lung nodules?
- A) X-ray
- B) Ultrasound
- C) CT scan
- D) MRI
In MRI of soft tissue tumors, what does a high T2 signal suggest?
- A) High water content
- B) High fat content
- C) Calcification
- D) Necrosis
What imaging characteristic is typical of a neuroblastoma in children?
- A) Heterogeneous mass with calcifications
- B) Simple cyst
- C) Well-defined margins
- D) Homogeneous density
What finding on imaging is suggestive of a malignant melanoma?
- A) Heterogeneous enhancement
- B) Well-defined edges
- C) Uniform density
- D) Homogeneous mass
Which finding on a colonoscopy is most concerning for colon cancer?
- A) Polyps
- B) Irregular margins
- C) Flat lesions
- D) Hyperplastic changes
What imaging technique is used for staging lymphoma?
- A) X-ray
- B) PET-CT scan
- C) MRI
- D) Ultrasound
What does an “apple core” lesion on imaging indicate?
- A) Colorectal cancer
- B) Diverticulitis
- C) Crohn’s disease
- D) Colitis
Which imaging finding suggests a recurrent tumor?
- A) Well-defined margins
- B) New lesions at the site of previous treatment
- C) Homogeneous density
- D) Absence of enhancement

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