audioplayaudiobaraudiotime

قراءة
عرض

Bone Tumours II

Dr. Wahby Ghalib
FJMC, CABO, MRCS

Giant cell tumour

= osteoclastoma

Benign but locally aggressive

Histology : abundant multinucleated giant cells


Bone tumours II

Age : 20-40 yr

Site : around the knee
distal radius

Metaphyseal-epiphyseal

Bone tumours II




Bone tumours II

XR : soap – bubble appearance

Rx : curettage + tumouricidal

Hi recurrence rate

Malignant potential : 5%

Osteosarcoma

Commonest primary malignant bone tumour in child

Highly malignant

Histology : malignant cells
producing osteoid

10% metastasis at presentation

C/F
Age : 10 -25 yr

Pain : constant & more at night

Swelling

Pathologic # : rarely

XR
Metaphyseal lesion

Usually around the knee

Osteolytic & osteoblastic areas

Soft tissue invasion  sun-ray appearance

Periosteal elevation  Codman`s triangle


Bone tumours II




Bone tumours II



Rx
CT + surgery

5 yr survival : 60 %

Ewing sarcoma

Highly malignant

Histology : small round cells

25 % metastasis at presentation

Bone tumours II



C/F
Age 10 -25 yr

Pain

Swelling

Generalized illness & fever

Pathologic # rare

XR
Diaphyseal lesion

Tibia & fibula more common

New bone formation  multiple layers onion – peel appearance

Rx
CT + surgery

5 yr survival : 60 %

Chondrosarcoma

Slowly growing

Primary or secondary to preexisting lesion

C/F
Age 40 -50 yr

XR
Lytic lesion + flecks of calcification


Bone tumours II




Bone tumours II


Bone tumours II



Rx
Surgery

Radio- & chemoresistant

5 yr survival 60 %

Objectives :

Stressing the importance of the bone tumours as being a significant source of mortality and morbidity.

Training the students to acquire the basic skills of XR interpretation in case of bone tumours.

Objectives :

Emphasizing the general outlines of treatment including the medical and surgical lines.

Emphasizing the significance of classifying the bone tumours and the tumour-like conditions.

Stressing the importance of the tumour-like conditions and the sequellae of misdiagnosis.

thank you


رفعت المحاضرة من قبل: Mubark Wilkins
المشاهدات: لقد قام عضو واحد فقط و 22 زائراً بقراءة هذه المحاضرة






تسجيل دخول

أو
عبر الحساب الاعتيادي
الرجاء كتابة البريد الالكتروني بشكل صحيح
الرجاء كتابة كلمة المرور
لست عضواً في موقع محاضراتي؟
اضغط هنا للتسجيل