Bone tumors

Question 1

what is the osteosarcoma seen in the specific age group and site?

Answer 1

puberty, knee region

Question 2

what is the specific tumor types seen in elderly and where is the seen region?

Answer 2

chondrosarcoma, trunk and proximal long bones

Question 3

tumor brekas through the cortex and lifts the periosteum,osteoid formation?

Answer 3

CODMAN TRIANGLE

Question 4

which tumors have a histologically cartilagenous cap?

Answer 4

osteochondroma

Question 5

what is the tumor have a hyaline cartilage resembles endochondral ossification ?

Answer 5

osteochondroma

Question 6

What is the name benign tumor of hyaline cartilage ?

Answer 6

chondroma

Question 7

where is the seen chondroma ?

Answer 7

hand and metaphyseal long bones

Question 8

gray-blue nodules,center may calcify morphology. Which tumor

Answer 8

chondroma

Question 9

Which tumor have a hyaline cartilaginous nodules in the joint. ?

Answer 9

Synovial condromatosis

Question 10

neurological symptoms due to pressure and due to which tumor?

Answer 10

aneurysmal bone cyst

Question 11

stromal cells in between express RANK, benign, locally agressive(spreads to lung), epiphysis of long bone,vertebrae, red-brown cyst.

Answer 11

Giant cell tumors

Question 12

which tumors have telengietactic osteosarcoma important for differential diagnosis ?

Answer 12

aneurysmal bone cyst

Question 13

non-ossifying fibroma histologically fibroblast exhibit a….

Answer 13

PINWHEEL, STORIFORM PATTERN

Question 14

which tumor of the localized intraosseous lession ?

Answer 14

solitary plasmocytoma

Question 15

which tumor Second most common pediatric bone sarcoma
after osteosarcoma

Answer 15

ewing sarcoma

Question 16

Lesions arising from chest wall are also called….

Answer 16

ASKIN TUMOR (Ewing sarcoma)

Question 17

which histologically pattern in the Ewing sarcoma ?

Answer 17

Homer-Wright rosettes

Question 18

which tumor have a bubble like cells, malignant, sacrococcygeal, skul and vertebrae feautures ?

Answer 18

CHORDOMA

Question 19

fallen fragment sign

Answer 19

simple bone cyst

Question 20

what is the histologically features of the simple bone cyst?

Answer 20

granulation tissue have hemosiderin pigment,fibrin deposits,multinucleated giant cells,ossified appearance

Question 21

Polyostotic form. Café au lait skin
pigmentation and endocrine disorders like; precocious puberty,
hyperthyroidism, pituitary adenoma.

Answer 21

McCune albright syndrome

Question 22

which tumor have a McCune albright syndrome ?

Answer 22

fibrous dysplasia (benign, children and young,,femur cranium and facial bones)

Question 23

fibrous dysplasia have …histologically pattern

Answer 23

ground glass appearance with well-defined margins:
Shepherd-crook deformity

Question 24

metastatic bone tumors localization

Answer 24

: Metaphysis of long bones, vertebrae, pelvis, ribs

Question 25

what is the metatatic bone tumors Radiological appearance features?

Answer 25

lytic(lung,thyroid,renal)
sclerotic(prostate,breast,neuroendocrine)
mixed-lung,breast