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PARA PROTEINEMIAS Professor Anwar Sheikha MD, FRCP, FRCPath., FCAP, FRCPA, FRCPI, FACP Senior Consultant Clinical & Lab. Hematologist Clinical Professor of Hematology University of Mississippi Medical Center, Jackson, Mississippi Professor of Hematology, University of Salahaddin, Erbil, Kurdistan, IRAQ PARAPROTEINEMIAS MULTIPLE MYELOMA WALDENSTROM’S MACROGLOBULINEMIA PARA PROTEINEMIAS PRIMARY AMYLOIDOSIS HEAVY CHAIN DISEASES M-GUS ANEMIA BLEEDING BONE PAIN # VERTEBRAL COLLAPSE LYTIC BONE LESIONS INFECTION ORTHOPEDIC SURGEON NEUROLOGIST HEMATOLOGIST HYPERVISCOSITY NEPHROLOGISTS RENAL FAILURE 1% of All Cancers 2% of All Cancer Deaths MULTIPLE MYELOMA Average Age ~ 65 Black: White = 2:1 MULTIPLE MYELOMA OSTEOLYTIC BONE LESIONS BONE MARROW INFILTRATION PARAPROTEIN PRODUCTION ↓ PLATELET ↓ WBC PANCYTOPENIA BONE MARROW INFILTRATION MULTIPLE MYELOMA ANEMIA INFECTION BLEEDING ↓ PLATELET ↓ WBC IMMUNE SUPPRESSION PANCYTOPENIA BONE MARROW INFILTRATION ANEMIA MULTIPL E MYELOM A INFECTION Chemotherapy myelosuppression Steroid immunosuppression MULTIPLE MYELOMA ↓ WBC IMMUNE SUPPRESSION PANCYTOPENIA BONE MARROW INFILTRATION MULTIPLE MYELOMA ANEMIA BONE PAIN BONE # OSTEOLYTIC BONE LESIONS VERTEBRAL COLLAPSE ↑ Ca++ RENAL FAILURE MULTIPLE MYELOMA ANEMIA HEMODILUTION PARAPROTEIN PRODUCTION CNS SYMPTOMS HYPER VISCOSITY MULTIPLE MYELOMA INTERFERENCE WITH CLOTTING FACTORS BLEEDING ANEMIA PARAPROTEIN PRODUCTION COATING OF PLATELETS MULTIPLE MYELOMA LIGHT CHAINS PARAPROTEIN PRODUCTION RENAL FAILURE AMYLOID INFECTION ?RENAL FAILURE PYELONEPHRITIS LIGHT CHAINS ↑ Ca++ RENAL FAILURE MULTIPLE MYELOMA AMYLOID PARAPROTEIN INTERFERENCE WITH CLOTTING FACTORS BONE MARROW INFILTRATION ?BLEEDING BLEEDING MULTIPLE MYELOMA PARAPROTEIN COATING OF PLATELETS MULTIPLE MYELOMA ?ANEMIA BLEEDING BONE MARROW INFILTRATION HEMODILUTION RENAL FAILURE BONE MARROW INFILTRATION OSTEOLYTIC BONE LESIONS PARAPROTEIN PRODUCTION INFECTION BLEEDING ↑ Ca++ ANEMIA MULTIPLE MYELOMA RENAL FAILURE HYPERVISCOSITY BONE PAIN, # & VERT. COLLAPSE Rouleaux ↑ESR The cytoplasm of Myeloma Cells contains abundant Endoplasmic Reticulum (ER) , which may contain retained, condensed or crystallised cytoplasmic Ig producing a variety of morphologically distinctive findings, including: Multiple pale bluish-white, grape-like accumulation Mott or Morula Cells Cherry-red refractive round bodies Russell Bodies Vermilion staining glycogen-rich IgA Flame Cells Overstuffed fibrils Gaucher-like cells; thesaurocytes & Crystalline Rods THESE CHANGES ARE NOT PATHOGNOMONIC FOR MM SINCE THEY MAY BE FOUND IN REACTIVE PLASMA CELLS IgG >50% MULTIPLE MYELOMA IgA 25% Light Chain 20% Bi-clonal IgD rare NonSecretory ? IgM NORAMAL Immunofixation performed on serum from a patient with monoclonal immunoglobulin Gk (IgGk) IgG k & a patient without a monoclonal protein normal OAF (IL-1/ TNF) OSTEOCLASTS PLASMA CELLS IL- 6 BMSC PDGF/ IL-6 “Bone Marrow Stromal Cells” ﺣﺮﺱ ﺍﻝﺠﻤﻫﻭﺭﻱ ﺻﺪﺍﻡ PC Osteoclasts Interleukin-6-mediated myeloma cell growth BMSC: bone marrow stromal cell IL: interleukin NF: nuclear factor TGF: transforming growth factor MM rely on contact with BM Stromal Cells “BMSC” Adhesive interaction between MM cells & BMSC induce cells to secrete IL-6 which then acts a paracrine growth factor promoting survival of MM cells & inhibiting apoptosis IL-1 β OAF TGF- β Other Cytokines Osteoclast Activation Osteoblast Suppression OSTEOLYTIC BONE LESIONS STAGING OF MYELOMA 1 trillion PC (1012) = 1 Kg I II III < 1 Kg PC 1 to 2 Kg PC > 2 Kg PC LOW CELL MASS <0.6 x 1012/m2 HIGH CELL MASS >1.2 X 1012/m2 Durie-Salmon Myeloma Staging System Stage I All of the following: Hemoglobin value >10 g/dL Serum calcium value normal (<12 mg/dL) On roentgenogram, normal bone structure (scale) or solitary bone plasmacytoma only Low monoclonal component production rates IgG value <50 g/L IgA value <30 g/L Urine light chain monoclonal component on electrophoresis <4 g/24 h Stage II Overall data minimally abnormal as shown for stage I and no Single value abnormal as defined For stage III Subclassification: Stage III one or more of the following: Hemoglobin value <8.5 g/L Serum Ca value >12 mg/dL Advanced lytic bone lesions (scale 3) High monoclonal component production rates IgG value >70 g/L IgA value >50 g/L Urine light chain monoclonal component on electrophoresis >12 g/24 h a: Relatively normal renal function (serum creatinine value <2.0 mg/dL) b: Abnormal renal function (serum creatinine >2.0 mg/dL) Durie-Salmon Myeloma Staging System Stage I All of the following: Hemoglobin value >10 g/dL Serum calcium value normal (<12 mg/dL) < 1 Kg component Low monoclonal production rates PC IgG value <5 g/dL On roentgenogram, normal bone structure (scale) or solitary bone plasmacytoma only IgA value <3 g/dL Urine light chain monoclonal component on electrophoresis <4 g/24 h Stage II Overall data minimally abnormal as shown for stage I and no Single value abnormal as defined For stage III 1 to 2 Kg PC Stage III one or more of the following: Hemoglobin value <8.5 g/L Serum Ca value >12 mg/dL > 2 component High monoclonal production rates Kg IgG value >7 g/dL PC IgA value >5 g/dL Advanced lytic bone lesions (scale 3) Urine light chain monoclonal component on electrophoresis >12 g/24 h Subclassification: a: Relatively normal renal function (serum creatinine value <2.0 mg/dL) b: Abnormal renal function (serum creatinine >2.0 mg/dL) Criteria for Diagnosis of Multiple Myeloma Major criteria 1. Plasmacytomas on tissue biopsy 2. Bone marrow plasmacytosis (>30% plasma cells) 3. Monoclonal immunoglobulin spike on serum electrophoresis: IgG >35 g/L or IgA >20 g/L; k or l light-chain excretion >1.0 g/d on 24-h urine protein electrophoresis Minor criteria a. Bone marrow plasmacytosis (10-30% plasma cells) b. Monoclonal immunoglobulin spike present but of lesser magnitude than in 3 c. Lytic bone lesions d. Normal IgM <0.50 g/L, IgA <1.00 g/L, or IgG <6.00 g/L Any of the following sets of criteria will confirm the diagnosis: Any two major criteria Major criterion 1 plus minor criterion b, c, or d Major criterion 3 plus minor criterion a or c Minor criteria a, b, and c or a, b, and d Normal Ig Values IgM g/L 0.5 – 1.5 mg/dL 50 - 150 IgA 1.5 – 5.0 150 - 500 IgG 5.0 – 15.0 500-1500 Presenting Features of Multiple Myeloma Feature Incidence, % Age >40 yr 98 Male 61 Bone pain 68 Anemia 62 Renal insufficiency 55 Hypercalcemia 30 Hepatomegaly 21 Splenomegaly 5 Proteinuria 88 Bence Jones proteinuria 49 Skeletal roentgenographic abnormalities 79 Spike on SEP 76 Hypogammaglobulinemia on SEP 9 Minor or no abnormalities on SEP 15 Spike on urinary protein electrophoresis 75 Monoclonal heavy chain on serum IEP 83 Monoclonal light chain on IEP 8 Nonsecretory 0.3 Amyloidosis 7 IEP: Immunoelectrophoresis; SEP: Serum protein electrophoresis Frequency of Different Types of Monoclonal Proteins Produced By Plasma Cell Tumors Monoclonal Protein Frequency, % IgG IgA 52 21 IgD IgE 2 <0.01 IgM (Waldenström's) Light chain only 12 11 Heavy chain only 2 or more <1 0.5 None detected 1 A. M-GUS Monoclonal Gammopathy of Unclear Significance 1. Monoclonal component level: IgG <35 g/L IgA <20 g/L Bence Jones protein <1.0 g/24 h 2. Bone marrow plasma cells <10% 3. No bone lesions 4. No symptoms Classification of Monoclonal Gammopathies B. Indolent myeloma (as in A except:) 1. No bone lesions or only limited bone lesions (<3 lytic lesions); no compression fractures 2. Monoclonal component levels a. IgG <70 g/L b. IgA <50 g/L a. Performance status >70% C. Smoldering myeloma (as in B except:) b. Hemoglobin >10 g/dL 1. No bone lesions c. Serum calcium normal 2. Bone marrow plasma cells <30% 3. No symptoms or associated disease features d. Serum creatinine <2.0 mg/dL e. No infections IMMUNOPHENOTYPING OF MYELOMA CELLS Myeloma cells typically express monotypic Cytoplasmic Ig & lack SmIg Most Myeloma Cells Lack Pan-B CD19 & CD20 Markers CD56/58 - CD19+ CD 38 NORMAL PC CD45 CD79a CD19 - CD 138 CD56/58 + MYELOMA CELL Prognostic Parameters in Multiple Myeloma Β2Microglobulin LDH Chromosome 13 abnormalities <6 Plus Albumin g/L > 30 >6 Plus > 30 19 >6 Plus < 30 4 Β2- Microglobulin ug/mL MEDIAN SUVIVAL Months 55 MANAGEMENT OF MULTPLE MYELOMA MP VAD M2 PROTOCOL Quicker Response Better control of symptoms STANDARD REGIMEN NO OTHER REGIMEN PRODUCED BETTER OS OS > 3YRS Less Myelotoxic & more convenient before autologous Transplant Good after MP relapse 4 day infusion is cumbersome & need central Line Aggressive Alkylating Combination Better reserved for relapse after autotransplant failure & other Special cases MP VAD M2 PROTOCOL Vincristine Melphalan 1 mg/kg ÷ 5 days Each 5 weeks Tailor dose ~ ANC nadir Prednisolone 60 mg/day For 5 days Each 5 weeks 0.4 mg/m2/day i.v. infusion over 4 days Adriamycin 9 mg/m2/day i.v. infusion over 4 days Dexamethasone 20 mg/m2 p.o. on days 1-4, 9-12, & 17-20 REPEAT COURSE EACH 28 DAYS Vincristine Carmustine Cyclophosphamide Melphalan Prednisolone Thalidomide Begin at 200 mg p.o. daily Increase by 200 mg every 2 weeks for a goal of 800 mg p.o. daily Constipation Neuropathy Thalidomide is NOT Myelotoxic Somnolence Thalidomide Begin at 200 mg p.o. daily Increase by 200 mg every 2 weeks for a goal of 800 mg p.o. daily Angiogenesis Thalidomide potential mechanisms of antimyeloma activity: (a) Direct effects (b) antiadhesive action (a)(c) GF inhibition (d) antiangiogenesis (a)(e) immunomodulation bFGF: basic fibroblast growth factor TNF: tumor necrosis factor ICAM: intracellular adhesion molecule IFN: interferon IL: interleukin VEGF: vascular endothelial growth factor Thalidomide Dexamethasone Described as the single most effective agent in Myeloma Effective efficacy comparable to VAD in Primary Refractory Myeloma Not Myelosuppressive and suits patients with severe marrow compromise In Frail & Elderly patients start with a lower dose Dexamethasone 20 mg/m2 p.o. on days 1-4, 9-12, & 17-20 REPEAT COURSE EACH 28 to 42 DAYS 2006 ASH UPDATE MP VAD DEXA Thalidomide Lenalidomide “Revlimid” Bortezomib “Velcade” Pegylated Ribosomal Doxorubicin THALIDOMIDE Thal DD Pegylated Ribosomal Doxorubicin + Dexa MDT * MPT RMP VMP Velcade “Bortezomib” Revlimid “Lenalidomide” French randomized trial of conventional versus high-dose therapy BONE MARROW or PERIPHERAL STEM CELL TRANSPLANTATION HIGH DOSE CHEMOTHERAPY “VAD” Autologous Transplant ALLOGENEIC TRANSPLANT Ideal for Young Patients with Histocompatible Donor Sibling Stem Cell Transplantation as Up-Front versus Rescue Treatment Measure PBSCT Early PBSCT Late Estimated median overall survival 64.6 mo 64.0 mo Median event-free survival 39.0 mo 13.0 mo Quality-adjusted time without symptoms or toxicity 27.8 mo 22.3 mo PBSCT, peripheral blood stem cell transplantation ADJUVANT TREATMENTS IN MULTIPLE MYELOMA BISPHOSPHONATES INTERFERON PAMIDRONATE ZOLEDRONATE HEMODIALYSIS EPO RADIATION Inhibit Bone Resorption Reduces Bone # Suppresses Hypercalcemia Convenient 1 injection/month Pneumovax Novel treatment approaches to Myeloma from the bench to the bedside DC: dendritic cell IL: interleukin IMIDS: immunomodulatory drugs MM: multiple myeloma VEGF: vascular endothelial growth factor THANK YOU Angiogenesis Thalidomide: potential mechanisms of antimyeloma activity. (a)Direct effects; (b) antiadhesive action; (b)(c) growth factor inhibition; (d) antiangiogenesis; (c)(e) immunomodulation. bFGF, basic fibroblast growth factor; (d)ICAM, intracellular adhesion molecule; IFN, (e)interferon; IL, interleukin; TNF, tumor necrosis factor; (f)VEGF, vascular endothelial growth factor AMYLOIDOSIS PRIMARY AMYLOIDOSIS Primary Amyloidosis PC neoplasm that secretes an abnormal Ig, Which deposits in various tissues & forms a β-pleated sheet structure that binds Congo Red dye with characteristic birefringence Rare Adult Disease CHF HMG 15% of Myeloma have or develop 10 Amyloidosis 80% of Patients have Monoclonal Ig 20% have Myeloma GUT N.S. CRF Diagnostic Biopsy Sites Abd. s.c. fat-pad Bone Marrow Rectum NERVES Sensorimotor neuropathy Loss of Sphincter control MalAbsorption Macroglossia Sheikha Primary Amyloidosis Deposition in organs ORGANOMEGALY BLEEDING Increased vessel fragility Coagulation factors binding Amyloid is a fibrillary protein that causes organ failure AL Primary or Ig- light chain Amyloidosis (~ Myeloma) AA Secondary ~ inflammation AF Familial β2 Microglobulin ~ Dialysis Sheikha SOP SOP Solitary Osseous Plasmacytoma SOP 5% of PC neoplams No other Lytic lesions should be detected Marrow away from the lesion should not have plasmacytosis Site depends on marrow activity In order of frequency sites are: Vertebrae Ribs Skull Pelvis Femur Clavicle Scapula Treatment RT 35% CURED If Paraprotein +ve it should disappear after treatment 55% MM >10 years 10% Local Recurrennce or Another SOP Sheikha EXTRA-OSSEOUS PLASMACYTOMA EOP Extra Osseous Plasmacytoma Role of adhesion molecules in disease pathogenesis BMSC, bone marrow stromal cell ECM, extracellular matrix ICAM, intracellular adhesion molecule IL, interleukin LFA, lymphocyte function-associated antigen MM, multiple myeloma VCAM, vascular cell adhesion molecule VLA, very late antigen EOP EXTRA MEDULLARY EXTRA OSSEOUS 5% of PC neoplasms No Lytic lesions or marrow plasmacytoma Median Age: 55 years M/F ratio: 2:1 80% UPPER RESPIRATORY TRACT Oropharynx Nasopharynx Sinuses Larynx 15% MM L. N. SKIN PAROTID TESTIS GIT Treatment RT BLADDER 25% Recurrence CNS BREAST THYROID 15 – 20% may have PARAPROTEINEMIA WALDENSTOROM’S MACROGLOBULINEMIA MONOCLONAL GAMMOPATHY OF UNDETERMINATE SIGNIFICANCE M-GUS BENIGN MONOCLONAL GAMMOPATHY HCD HEAVY CHAIN DISEASES μ α HCD γ HCD γ Gamma HCD A variant of LPC Lymphoma α Alpha HCD A variant of Extranodal Margianl Zone MALT Lymphoma μ mu HCD A variant of CLL α Heavy Chain Disease IPSID Immunoproliferative Small Intestinal Disaese Mediterranean Lymphoma ~ H. pylori POLYNEUROPATHY OSTEOSCLEROTIC MYELOMA (Sensorimotor Demyelination) ORGANOMEGALY (HepatoSplenomegaly) POEMS SYNDROME SKIN ENDOCRINOPATHY CHANGES (Hyperpigmentation; Hypertrichosis) MONOCLONAL GAMMOPATHY (Diabetes; Gynecomastia; Testicular Atrophy; Impotence) Marrow infiltrated by PC & bone trabeculae thickened Rare: 1 to 2% of PC dyscrasias Median Age: 50 years HIWA HEMATOLOGY HOSPITAL THANKS Cellular origin of myeloma: genetic and cellular events in disease pathogenesis Interleukin-6-mediated myeloma cell growth. BMSC, bone marrow stromal cell; IL, interleukin; NF, nuclear factor; TGF, transforming growth factor Apoptosis signaling cascades in myeloma cells. IL, interleukin; JNK, c-jun N-terminal kinase; PYK, proline-rich tyrosine kinase; RAFTK, related adhesion focal tyrosine kinase; SAPK, stress-activated protein kinase Interleukin-6 growth and antiapoptotic cascades in myeloma cells. MAP, mitogen-activated protein; RAFTK, related adhesion focal tyrosine kinase; SHP, Src homology protein tyrosine phosphatase Role of adhesion molecules in disease pathogenesis BMSC, bone marrow stromal cell ECM, extracellular matrix ICAM, intracellular adhesion molecule IL, interleukin LFA, lymphocyte function-associated antigen MM, multiple myeloma VCAM, vascular cell adhesion molecule VLA, very late antigen SOP Solitary Osseous Plasmacytoma None 6