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1. LIPOMA

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

4. Types
 Encapsulated s/c lipoma
 Diffuse variety
 Multiple lipomas- Dercum’s d/s

6. Histological types
 Fibrolipoma
 Neurolipoma
 Naevolipoma

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

8. Contd..
location presentation d.d. Significance
Submucus Asymptomatic/ Intestinal/laryngea Intussusception
stridor l tumor
Subserosal Retroperitoneal Hydronephrosis, Liposarcoma
swelling retroperitoneal
cyst
Extradural Very rare - -
Intraglandula Breast, pancreas Cystic lesions Very rare
r

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

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

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

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

15. Thank you…