Lipoma

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1. LIPOMA

2. Introduction Commonest tumor of s/c tissue. Benign Arising from yellow fat Universal tumor Karyotype 12q change Hibernoma

3. Types Encapsulated s/c lipoma Diffuse variety Multiple lipomas - D ercum’s d/s

4. Histological types Fibrolipoma Neurolipoma Naevolipoma

5. Sites location presentation d.d . Significance s/c Mobile, lobular, edge slips under palp.fingers Neurofibroma Most common variety subfascial Diff. to appreciate edge & lobulation Implantation dermoid , Tbtenosynovitis In scalp- erodes bone Subsynovial , intra- articular Knee/elbow sweling Bursa, Baker’s cyst Intra- articular is rare Intermuscular Swelling Fibrosarcoma Hematoma More chance of devpg liposarcoma Parosteal Feels hard Bony tumor Very, very rare

6. Contd .. location presentation d.d . Significance Submucus Asymptomatic/ stridor Intestinal/laryngeal tumor Intussusception Subserosal Retroperitoneal swelling Hydronephrosis , retroperitoneal cyst Liposarcoma Extradural Very rare - - Intraglandular Breast, pancreas Cystic lesions Very rare

7. Clinical features Localized, lobular, non-tender Semi-fluctuant Mobile Slip sign Skin free Pedunculated +/-

8. Complications Myxomatous degeneration Saponification Calcification Infection Ulceration Intussusception & intestinal obstruction

9. L iposarcoma Common in retroperitoneum , thigh & back Rapid growth Warm & vascular Dilated veins Restriction of mobility Skin fixation & fungation Hematogenous spread to lungs

10. Treatment Excision Liposarcoma - wide excision, reconstruction, adjuvant chemo- & radiotherapy

11. Thank you…