1. What is the typical radiological feature of a benign bone tumor?
a) Well-defined borders
b) Irregular borders
c) Cortical destruction
d) Soft tissue extension
Answer: a) Well-defined borders
2. Which of the following is a common radiologic feature of a malignant bone tumor?
a) Codman’s triangle
b) Sclerotic margins
c) Sharp demarcation
d) No periosteal reaction
Answer: a) Codman’s triangle
3. A “sunburst” pattern on a radiograph is most characteristic of which tumor?
a) Osteosarcoma
b) Chondrosarcoma
c) Ewing’s sarcoma
d) Multiple myeloma
Answer: a) Osteosarcoma
4. The “onion-skin” periosteal reaction is typically seen in which of the following tumors?
a) Osteosarcoma
b) Giant cell tumor
c) Ewing’s sarcoma
d) Chondrosarcoma
Answer: c) Ewing’s sarcoma
5. Which of the following tumors is known for producing a “soap bubble” appearance on radiographs?
a) Osteosarcoma
b) Giant cell tumor
c) Ewing’s sarcoma
d) Osteoid osteoma
Answer: b) Giant cell tumor
6. What is the most common primary malignant bone tumor in adults?
a) Osteosarcoma
b) Ewing’s sarcoma
c) Chondrosarcoma
d) Multiple myeloma
Answer: d) Multiple myeloma
7. A radiographic “popcorn calcification” is typically associated with which of the following tumors?
a) Osteochondroma
b) Lipoma
c) Hamartoma
d) Schwannoma
Answer: c) Hamartoma
8. The “ground-glass” appearance on imaging is suggestive of which condition?
a) Fibrous dysplasia
b) Osteosarcoma
c) Ewing’s sarcoma
d) Lymphoma
Answer: a) Fibrous dysplasia
9. A “hair-on-end” appearance on skull radiographs is most commonly associated with which condition?
a) Sickle cell anemia
b) Ewing’s sarcoma
c) Osteosarcoma
d) Metastatic prostate cancer
Answer: a) Sickle cell anemia
10. The “spiculated” appearance of tumor margins is typically a sign of:
a) Benign tumors
b) Low-grade tumors
c) Aggressive or malignant tumors
d) Inflammatory lesions
Answer: c) Aggressive or malignant tumors
11. Which tumor is typically associated with “ring-enhancing lesions” on MRI?
a) Glioblastoma multiforme
b) Meningioma
c) Schwannoma
d) Pituitary adenoma
Answer: a) Glioblastoma multiforme
12. The “bone within a bone” appearance on radiographs is most suggestive of which condition?
a) Osteopetrosis
b) Paget’s disease
c) Multiple myeloma
d) Ewing’s sarcoma
Answer: a) Osteopetrosis
13. The “moth-eaten” appearance of bone destruction is characteristic of:
a) Metastatic bone disease
b) Osteoid osteoma
c) Chondrosarcoma
d) Osteosarcoma
Answer: a) Metastatic bone disease
14. Which of the following radiological signs is associated with a soft tissue sarcoma?
a) Fat-fluid level
b) Calcifications
c) Periosteal reaction
d) Soft tissue mass with bone invasion
Answer: d) Soft tissue mass with bone invasion
15. The “flame-shaped” appearance of lytic lesions in long bones is most characteristic of which tumor?
a) Osteosarcoma
b) Multiple myeloma
c) Giant cell tumor
d) Chondrosarcoma
Answer: b) Multiple myeloma
16. What is the most common location for a meningioma?
a) Cerebral convexities
b) Cerebellopontine angle
c) Intraventricular
d) Clivus
Answer: a) Cerebral convexities
17. A “double density sign” on bone scintigraphy is most suggestive of which bone tumor?
a) Osteosarcoma
b) Osteoid osteoma
c) Chondrosarcoma
d) Ewing’s sarcoma
Answer: b) Osteoid osteoma
18. The “cannonball metastases” seen on chest radiographs are most commonly associated with which cancer?
a) Renal cell carcinoma
b) Colorectal cancer
c) Prostate cancer
d) Osteosarcoma
Answer: a) Renal cell carcinoma
19. A “dural tail” sign on MRI is most commonly associated with which tumor?
a) Glioblastoma
b) Meningioma
c) Pituitary adenoma
d) Schwannoma
Answer: b) Meningioma
20. A “soap bubble” appearance in the epiphyseal region of a long bone is most commonly associated with:
a) Osteosarcoma
b) Chondroblastoma
c) Giant cell tumor
d) Aneurysmal bone cyst
Answer: c) Giant cell tumor
21. The “sunburst” appearance of a tumor on radiography is caused by:
a) Aggressive periosteal reaction
b) Sclerotic bone deposition
c) Cartilaginous matrix
d) Tumor necrosis
Answer: a) Aggressive periosteal reaction
22. Which of the following tumors is typically associated with a “corduroy cloth” appearance on vertebral body radiographs?
a) Hemangioma
b) Osteosarcoma
c) Chondrosarcoma
d) Multiple myeloma
Answer: a) Hemangioma
23. The “winking owl” sign is a classic radiologic feature of which condition?
a) Vertebral metastasis
b) Osteoporosis
c) Hemangioma
d) Ankylosing spondylitis
Answer: a) Vertebral metastasis
24. What is the most common primary malignant tumor of the kidney in children?
a) Wilms tumor
b) Neuroblastoma
c) Rhabdomyosarcoma
d) Lymphoma
Answer: a) Wilms tumor
25. “Eggshell calcification” of lymph nodes is typically seen in which tumor or condition?
a) Sarcoidosis
b) Lung cancer
c) Lymphoma
d) Tuberculosis
Answer: a) Sarcoidosis
26. The “apple core” lesion seen on a barium enema study is most indicative of which tumor?
a) Colorectal carcinoma
b) Gastric carcinoma
c) Small bowel lymphoma
d) Esophageal carcinoma
Answer: a) Colorectal carcinoma
27. The “cotton wool” appearance of bone is commonly associated with which of the following conditions?
a) Paget’s disease
b) Osteosarcoma
c) Multiple myeloma
d) Lymphoma
Answer: a) Paget’s disease
28. A “wheel-spoke” appearance in the breast on mammography is most indicative of which condition?
a) Fibroadenoma
b) Phyllodes tumor
c) Intraductal carcinoma
d) Radial scar
Answer: d) Radial scar
29. The “flame-shaped” lucency seen in lytic lesions is most commonly associated with:
a) Multiple myeloma
b) Osteosarcoma
c) Giant cell tumor
d) Lymphoma
Answer: a) Multiple myeloma
30. What is the most common primary malignant tumor of the liver?
a) Hepatocellular carcinoma
b) Cholangiocarcinoma
c) Hemangioma
d) Metastasis
Answer: a) Hepatocellular carcinoma
31. The “cannonball metastases” on chest X-ray are typically seen in metastases from:
a) Renal cell carcinoma
b) Osteosarcoma
c) Breast carcinoma
d) Colorectal carcinoma
Answer: a) Renal cell carcinoma
32. Which of the following is most indicative of a benign ovarian tumor on ultrasound?
a) Thick septations
b) Papillary projections
c) Simple cyst
d) Solid mass with vascularity
Answer: c) Simple cyst
33. The “leaf-like” lobulations seen on breast imaging are indicative of which tumor?
a) Phyllodes tumor
b) Invasive ductal carcinoma
c) Fibroadenoma
d) Lobular carcinoma
Answer: a) Phyllodes tumor
51. The “apple core” sign on a barium enema is indicative of which type of cancer?
a) Colorectal cancer
b) Gastric cancer
c) Pancreatic cancer
d) Esophageal cancer
Answer: a) Colorectal cancer
52. The “tram-track” appearance on imaging is characteristic of which condition?
a) Sturge-Weber syndrome
b) Neurofibromatosis type 1
c) Meningioma
d) Glioblastoma
Answer: a) Sturge-Weber syndrome
53. The “moth-eaten” appearance on bone radiographs is most characteristic of:
a) Osteomyelitis
b) Metastatic disease
c) Osteosarcoma
d) Chondrosarcoma
Answer: b) Metastatic disease
54. A “doughnut sign” on imaging is suggestive of which condition?
a) Ovarian cyst
b) Endometrioma
c) Teratoma
d) Fibroadenoma
Answer: a) Ovarian cyst
55. Which radiologic feature is most associated with a benign breast lesion?
a) Microcalcifications
b) Irregular margins
c) Well-circumscribed mass
d) Spiculated edges
Answer: c) Well-circumscribed mass
56. The “bamboo spine” sign on X-ray is most characteristic of:
a) Ankylosing spondylitis
b) Osteitis deformans
c) Paget’s disease
d) Tuberculosis of the spine
Answer: a) Ankylosing spondylitis
57. The “snowstorm” appearance on ultrasound is typically associated with:
a) Choriocarcinoma
b) Ovarian cyst
c) Endometriosis
d) Teratoma
Answer: a) Choriocarcinoma
58. The “starry sky” appearance on imaging is a feature of:
a) Lymphoma
b) Hodgkin’s lymphoma
c) Leukemia
d) Non-Hodgkin’s lymphoma
Answer: d) Non-Hodgkin’s lymphoma
59. The “double bubble” sign on X-ray is indicative of which condition?
a) Duodenal atresia
b) Intussusception
c) Gastroesophageal reflux disease
d) Pyloric stenosis
Answer: a) Duodenal atresia
60. A “target sign” on abdominal CT is most characteristic of:
a) Appendicitis
b) Intussusception
c) Diverticulitis
d) Crohn’s disease
Answer: b) Intussusception
61. The “Hockey-stick” appearance on bone X-ray is associated with which condition?
a) Osteosarcoma
b) Osteoid osteoma
c) Chondrosarcoma
d) Fibrous dysplasia
Answer: d) Fibrous dysplasia
62. The “rind sign” on CT imaging is indicative of which tumor?
a) Meningioma
b) Schwannoma
c) Pituitary adenoma
d) Glioblastoma
Answer: a) Meningioma
63. The “tram-track” appearance on MRI is characteristic of:
a) Neurofibromatosis type 2
b) Sturge-Weber syndrome
c) Meningioma
d) Glioblastoma
Answer: a) Neurofibromatosis type 2
64. A “well-defined lytic lesion with sclerotic border” is most indicative of:
a) Metastatic disease
b) Osteosarcoma
c) Ewing’s sarcoma
d) Simple bone cyst
Answer: d) Simple bone cyst
65. The “scalloping” of the vertebrae on imaging is commonly associated with:
a) Paget’s disease
b) Osteomyelitis
c) Multiple myeloma
d) Lymphoma
Answer: a) Paget’s disease
66. The “tennis racket” appearance on bone radiographs is characteristic of which tumor?
a) Osteosarcoma
b) Osteochondroma
c) Ewing’s sarcoma
d) Giant cell tumor
Answer: b) Osteochondroma
67. A “solitary pulmonary nodule with calcification” on CT is suggestive of which tumor?
a) Benign pulmonary nodule
b) Lung metastasis
c) Primary lung cancer
d) Pulmonary abscess
Answer: a) Benign pulmonary nodule
68. The “snowball” appearance on CT is often associated with:
a) Metastatic disease
b) Renal cell carcinoma
c) Lymphoma
d) Ewing’s sarcoma
Answer: b) Renal cell carcinoma
69. The “ring-and-arc” pattern on MRI is characteristic of:
a) Chondrosarcoma
b) Osteosarcoma
c) Multiple myeloma
d) Fibrous dysplasia
Answer: a) Chondrosarcoma
70. The “honeycomb” appearance on X-ray is most often associated with:
a) Lymphoma
b) Pulmonary fibrosis
c) Emphysema
d) Asthma
Answer: b) Pulmonary fibrosis
71. The “sandwich sign” on CT is associated with:
a) Mesenteric lymphoma
b) Colorectal carcinoma
c) Ovarian cancer
d) Hepatic metastases
Answer: a) Mesenteric lymphoma
72. A “well-circumscribed solid mass” on breast imaging is most likely to be:
a) Fibroadenoma
b) Invasive ductal carcinoma
c) Phyllodes tumor
d) Lobular carcinoma
Answer: a) Fibroadenoma
73. The “swiss cheese” appearance on MRI is indicative of:
a) Neurofibromatosis type 2
b) Sturge-Weber syndrome
c) Meningioma
d) Glioblastoma
Answer: a) Neurofibromatosis type 2
74. The “bone-in-bone” appearance is characteristic of which condition?
a) Osteopetrosis
b) Paget’s disease
c) Osteomyelitis
d) Multiple myeloma
Answer: a) Osteopetrosis
75. The “cobblestone” appearance on imaging is most often associated with:
a) Crohn’s disease
b) Ulcerative colitis
c) Diverticulitis
d) Colorectal cancer
Answer: a) Crohn’s disease
76. The “Crescent sign” on MRI is typically associated with which condition?
a) Osteonecrosis
b) Bone marrow edema
c) Osteomyelitis
d) Multiple myeloma
Answer: a) Osteonecrosis
77. The “horseshoe kidney” appearance on imaging is most commonly associated with:
a) Congenital anomaly
b) Renal cell carcinoma
c) Urinary tract infection
d) Renal cyst
Answer: a) Congenital anomaly
78. The “tiger stripe” appearance on CT imaging is indicative of which condition?
a) Pancreatic cancer
b) Chronic pancreatitis
c) Hepatitis
d) Renal carcinoma
Answer: b) Chronic pancreatitis
79. The “twin peaks” sign on ultrasound is associated with which condition?
a) Bipolar disorder
b) Dichorionic twins
c) Conjoined twins
d) Monochorionic twins
Answer: b) Dichorionic twins
80. The “triple-phase” CT scan is most useful for evaluating which type of tumor?
a) Hepatocellular carcinoma
b) Renal cell carcinoma
c) Ovarian cancer
d) Pancreatic cancer
Answer: a) Hepatocellular carcinoma
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