Musckuloskeletal mcqs
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Musckuloskeletal MCQs. Aneurysmal Bone Cyst (ABC) . Aneurysmal Bone Cyst (ABC) . Respect epiphyseal plate. soap-bubble. Thin internal trabeculations. Almost invesible cortex. Expansile lesion. No periosteal reaction except in case of fracture. Doughnut sign in scintigraphy.

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Musckuloskeletal MCQs

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Musckuloskeletal mcqs

MusckuloskeletalMCQs


Aneurysmal bone cyst abc

Aneurysmal Bone Cyst (ABC)


Aneurysmal bone cyst abc1

Aneurysmal Bone Cyst (ABC)


Musckuloskeletal mcqs

Respect epiphyseal plate

soap-bubble

Thin internal trabeculations

Almost invesible cortex

Expansile lesion

No periosteal reaction except in case of fracture


Musckuloskeletal mcqs

Doughnut sign in scintigraphy


Musckuloskeletal mcqs

Aneurysmal Bone cyst :

  • Occur secondary to fibrous dysplasia

  • Can present with scoliosis

  • May contain fluid-fluid level at MRI

  • Contain calcified matrix

  • Doughnut sign at scintigraphy is pathognomonic

(√ )

(√ )

(√ )

(X )

(X )


Musckuloskeletal mcqs

Multiple Myeloma


Musckuloskeletal mcqs

Mulyiple osteolytic Punched-out lesion


Musckuloskeletal mcqs

Mulyiple osteolytic Punched-out lesion

Absence of perilesional sclerosis


Musckuloskeletal mcqs

Complicated by pathological fracture

Associated with osteopenia


Musckuloskeletal mcqs

PET PET-CT coronal view


Musckuloskeletal mcqs

Regarding Multiple Myeloma :

  • It is the commonest 1ry neoplasm of bone

  • Generalised osteopenia is a recognised appearance

  • Scintigraphy over-estimates disaese extent

  • Lesions becomes scleotic following chemotherapy

  • Vertebral pedicle destruction is an early event

(√ )

(√ ) in 15 %

(X ) under estimates

(√ ) also following radiotherapy

(X )

(Ref: Grainger and Allison pp1913-1915,Daenhartppp121-122, Chapman 2003pp575-576)


Rheumatoid arthritis

Rheumatoid arthritis :


Musckuloskeletal mcqs

Joint deformity

Periarticular osteopenia

Narrowing of the joint spaces

Soft tissue swelling

Joint instability due to ligament rupture

Articular erosion


Musckuloskeletal mcqs

High ridding of the humerus

Lateral erosion of the clavicle

Marginal erosion

Narrowing of the glenohumoral joint


Musckuloskeletal mcqs

Lateral deviation of toes , Hammer toes

Erosion of the MTP


Musckuloskeletal mcqs

ligamentous destruction can result in atlantoaxial impaction

Erosion of Odontoid process

Pannus proliferation directly compresses the spinal cord.

Erosion of facet joints


Musckuloskeletal mcqs

Erosion of the lateral 3rd of the clavicle is seen in the following:

  • Rheumatoid arthritis

  • Ankylosingspondylitis

  • Langerhans cell histiocytosis

  • Hypoparathyroidism

  • Multiple myeloma

(√ )

(X )

(X )

(X ) Hyperparathyroidism

(√ )


Musckuloskeletal mcqs

Concerning Malignant Bone Lesions


Musckuloskeletal mcqs

Concerning Malignant bone lesion:

  • Chordoma is most common in the thoracolumbar spine

  • Fibrosarcoma is the commonest tumour 2ry to paget’s disease

  • Adamantinomaoccursin the tibia in over 90% of cases

  • Angiosarcoma has a soap bubble appearance at radiography

  • Chondroblastoma are typically found in the diaphysis

(X ) 90% in basisphenoid and sacrum


Musckuloskeletal mcqs

Sacral Chordoma


Musckuloskeletal mcqs

Basisphenoid Chordoma


Musckuloskeletal mcqs

Concerning Malignant bone lesion:

  • Chordomaos most common in the thoracolumbar spine

  • Fibrosarcoma is the commonest tumour 2ry to paget’s disease

  • Adamantinoma occurs in the tibia in over 90% of cases

  • Angiosarcoma has a soap bubble appearance at radiography

  • Chondroblastoma are typically found in the diaphysis

(X ) 90% in basisphenoid and sacrum

(√ )

(√ )


Musckuloskeletal mcqs

Adamantinoma


Musckuloskeletal mcqs

Concerning Malignant bone lesion:

  • Chordomaos most common in the thoracolumbar spine

  • Fibrosarcoma is the commonest tumour 2ry to paget’s disease

  • Adamantinomaoccursin the tibia in over 90% of cases

  • Angiosarcoma has a soap bubble appearance at radiography

  • Chondroblastoma are typically found in the diaphysis

(X ) 90% in basisphenoid and sacrum

(√ )

(√ )

(√)

(X ) they are epiphyseal lesions


Musckuloskeletal mcqs

Chondroblastoma


Musckuloskeletal mcqs

Thank you


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