Osteochondroma
-
Upload
andryan-astoguno -
Category
Documents
-
view
11 -
download
0
description
Transcript of Osteochondroma
Osteochondroma
Fakultas Kedokteran Universitas TrisaktiRumah Sakit Umum Daerah Bekasi
Andrian Astoguno B.Pdr. Gatot Ibrahim, SpOT (K). Spine
INCIDENCE
Malignant Neoplasms
Primary LesionsSecondary Neoplasm1 % all ages groups
5 % Childhood
Benign Neoplasms and Neoplasm-like Lesion
Age Incidence
Sex Incidence
Site Incidence
45 % of benign bony tumours
12 % of all bony tumours
Become evident < 20 yrs
Solitary or multiple
Any enchondral ossification bone
DIAGNOSIS
Unexplained Pain Swelling Lump Decrease in
function
Swelling of a Benign Lesion
Firm
Nontender
OSTE
OCHO
NDRO
MA
• Cartilage capped exostosis
• Commonest benign tumour of bone
• Metaphyseal developmental abnormality
CLIN
ICAL
LY
• Lump or mechanical problem
• Tendon or nerve irritation
• Sessile or pedunculated
• 50% distal femur, proximal tibia, proximal humerus
CLIN
ICAL
• Active growth during puberty
• Move towards diaphysis during growth
• Excise if troublesome in second decade
RADI
OLOG
Y Flat/ sessile / pedunculated
Tumour blending into metaphysis
Pedunculated orientated proximally
Cartilage cap with calcification
• Normal bone covered by normal cartilage cap
• Cartilage cap resembles normal growth plate
• Cartilage more disorganized
PATH
OLOG
Y
Covered by thin layer of periosteum
Binucleate chondrocytes in lacunae
TREATMENTNot all osteochondromata require treatment
Extra-capsular marginal excision
Recurrence < 5%
PROGNOSISRisk of malignancy if solitary- 0.2 %Risk of malignancy in diaphyseal aclasia :- 20 % Sarcomatous changes usually low- grade
KEPU
STAK
AAN Textbook of disorders and injuries of the
musculoskeletal system 3th Edition. Robert Bruce SalterSystem of Orthopaedics and Fractures Apleys 9th Edition.
Bone Tumor 3th Edition. David C. Dahlin, M.D.
Atlas of Orthopaedic Pathology with Clinical and Radiologic Correlations, Peter G.BulloughOrthopedic Radiology a Practical Approach, Adam Greenspan
TERIMA KASIH