MULTIPLE MYELOMA Flashcards
DEFINE
MALIGNANT NEOPLASM DERIVED FROM PLASMA CELLS
PATHOLOGY
AFFECTS FLAT BONES ; PELVIS, VERTEBRAE, SKULL AND RIBS .
GROSS =
SOFT , GREY , FRIABLE
MICROSCOPICALLY =
ECCENTRIC NUCLEUS , CLUMPED CHROMATIN
AGE
50 TO 70
SEX
MALE
SITE
FLAT BONES ; PELVIS , SKULL, VERTEBRAE , RIBS
PRESENTING COMPLAINT
-SEVERE BONE PAIN IN LUMBAR AND THORACIC SPINE , PRECIPITATED BY MOVEMENT , WORST AT NIGHT
-NO SWELLING OR DEFORMITY UNLESS PATHOLOGICAL #
-IF TUMOUR PRESSES ON SPINAL CORD - NEUROLOGICAL SYMPTOMS
-PATHOLOGICAL # ESPECIALLY OF VERTEBRAE AND RIBS .
INVESTIGATION
RADIOLOGICAL
OTHERS
RADIOLOGICAL
MULTIPLE PUNCHED OUT LESION IN BONE INVOLVED
PATHOLOGICAL WEDGE COLLAPSE OF VERTEBRAE
NO PERIOSTEAL REACTION
DIFFUSE RAREFRACTION OF BONES ; VERTEBRAL PEDICLE INVOLVED = PEDICLE SIGN
BICONCAVE VERTEBRAE
OTHERS
BLOOD = LOW HB , HIGH ESR ,UREA , NITROGEN CREATININE , URIC ACID
URINE = BENCE JONES PROTEIN
SERUM ELECTROPHORESIS = MYELOMA SPIKE
STERNAL PUNCTURE = MYELOMA CELLS
BONE BIOPSY
BONE SCAN
OPEN BIOPSY
TREATMENT
CONSISTS CHEMOTHERAPY AND SPLINTAGE OF DISEASED PART BY POP, BRACE
-CHEMOTHERAPY = MELPHALAN WITH CYCLOPHOSPHAMIDE , VINCRISTINE , PREDNISOLONE IN REPEATED CYCLE
- RADIOTHERAPY = IN NEUROLOGICAL COMPRESSION , SOFT TISSUE LESION
- SURGERY = LAMINECTOMY IN COMPRESSION OF SPINAL NERVE