BENIGN BONE TUMOUR - OSTEOID OSTEOMA

Question 1

AGE

Answer 1

YOUNG ADULT < 20 YEARS

Question 2

SEX

Answer 2

MALE

Question 3

SITES

Answer 3

LONG BONES = TIBIA > FEMUR > POSTERIOR ELEMENT OF VERTEBRAE
@TUMOR HAS LONG NAME SO LONG BONES WTF

Question 4

LOCATION

Answer 4

DIAPHYSIS

Question 5

SYMPTOM

Answer 5

CONTINUOUS PAIN
WORST AT NIGHT
DRAMATICALLY DECREASES WITH ASPIRIN
( BCOZ COX ACTIVITY INCREASES AND NSAID IS COX INHIBITOR )

Question 6

SIGN

Answer 6

MILD TENDERNESS AT SITE OF LESION ,
SWELLING PALPABLE IF SUPERFICIAL

Question 7

DD

Answer 7

BONE ISLANDS

Question 8

INVESTIGATION

Answer 8

X RAY
CT SCAN - CONFIRMS DIAGNOSIS

Question 9

X RAY

Answer 9

CENTRAL RADIOLUCENT NIDUS <1CM
SURROUNDED BY ZONE OF SCLEROTIC BONE TUMOUR

Question 10

TREATMENT

Answer 10

CAN BE DONE BY COMPLETE REMOVAL OR DESTRUCTION OF NIDUS
- COMPLETE REMOVAL OF NIDUS ALONG WITH SCLEROTIC BONE
- DESTRUCTION BY CT LOCALISED RADIOFREQUENCY ABLATION

Question 11

OSTEOID OSTEOMA

Answer 11

COMMONEST TRUE BENIGN TUMOR
CONSISTS OF NIDUS ( GROWING CENTER ) OF TANGLED ARRAYS OF PARTIALLY MMINERALISED OSTEOID TRABECULAE SURROUNDED BY DENSE SCLEROTIC BONE.