Male Breast CancerMM.ppt · Male Breast CancerMale Breast Cancer Rabih Nemr MD Kings County...
Transcript of Male Breast CancerMM.ppt · Male Breast CancerMale Breast Cancer Rabih Nemr MD Kings County...
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Male Breast CancerMale Breast Cancer
Rabih Nemr MDKings County HospitalKings County Hospital
August 2008
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ACGME Core CompetenciesP ti t C1 Patient Care
Medical Knowledge
1
2 g
Practice Based Learning/Improvement3
Interpersonal Communication Skills
Professionalism
4
5 Professionalism
Systems-Based Practice6
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Case Presentation
• 63 year old male presenting with painful” lump” in the right breast for 2 months
• PMH:DM,HTN,Metastatic Prostate ca • NKMA• NKMA• Meds: Glyburide, Metroprolol, Enalapril
• PE: – 2 cm right breast mass at 7.00– No axillary adenopathy palpated
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Case Presentation• U/S:
– 1.8 cm mass with lobulated margins at 7.00
• Surgery:– Modified radical
Mastectomy.retroareolar,2cm deep.
Mastectomy.
HC:• Mammo:– 2.5 cm oval high density
mass with spiculated i d d li
• HC:– Discharged home
POD#1margins and grouped linear heterogeneous pleomorphic calcifications.
• Path: invasive ductal ca
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Epidemiology• Geographic variation • Incidence increase from 0.86 to 1.08 per 100 p
000• Prevalence increase with age• Distribution: Unimodal in Males vs Bimodal
for females.
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Etiology and Risk FatorsDefinite etiology of MBC is unknown• Family history( similar to females)• Inherited predisposition( BRCA-2)• Alteration in the estrogen/testosterone ratio
Estrogen increase: Klinfelter Sd cirrhosis prostate cancer– Estrogen increase: Klinfelter Sd, cirrhosis, prostate cancer therapy, transsexuals.
– Androgen decrease: undescended testes, Mumps, testicular traumatrauma.
• Strong Racial Predilection
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Pathology• The entire spectrum of histological variants of
breast ca are seen in Men– Infiltrating ductal Ca (64%-93%)– Papillary ( 2.5%-5%)
• Molecular marquers:ER (+) 64 85%– ER (+) 64-85%
– PR (+) 75% – Bcl-2, Her2neu, gelatinase, MIB-1 indexBcl 2, Her2neu, gelatinase, MIB 1 index
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Clinical FeaturesClinical Features
• Typical presentation is an eccentric non tender mass in 75%-95%.
• Nipple involvement in 40%
• Men are 1.6 times more likely to have axillary y yinvolvement as compared to females.
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Investigations
• US– Limited due to paucity of breast tissuep y
• Mammography:– Sens: 92% PPV: 55% – Spec: 90% NPV: 99%
Mass lesion more than calcifications– Mass lesion more than calcifications
• FNAC: good modalityg y
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Prognosis• Stage and axillary node status
– most important independent predictor of overall survival in non disseminated disease *survival in non disseminated disease
• ER/PR(++): prognostically favorable
• Traditionally dismal survival compared to females
• Comparison of disease specific survival was shown to have statistically better significant results in males
d f l bas compared to female breast cancer.
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Surgical Treatment• Based on evidence from female breast CA
– MRM
– Simple mastectomy/Lumpectomy with Chemo , RT
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Adjuvant TherapyAdjuvant Therapy
• Hormonal TherapyHormonal Therapy
• Ecxellent response (ER ++++)Ecxellent response (ER )
• Tamoxifen:
– No data available to suggest duration of treatment:
– 56% vs 28% survival at 5 years in patients receiving tamoxifen X 2 yearsreceiving tamoxifen X 2 years
Ribeiro G, Swindell R: Adjuvant tamoxifen for male breast can- cer (MBC). Br J Cancer 1992, 65:252-254.
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Adjuvant Therapy
• Systemic chemotherapy• No definite trials available
• 24 node (+) patients(stage I - III )( ) p ( g )– treated with FAC– 5Y survival of 80% median F/U 46 months
Bagley CS, Wesley MN, Young RC, Lippman ME: Adjuvant chemo- therapy in males with cancer of the breast. Am J Clin
Oncol 1987, 10:55-60.
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Metastatic Disease• Mets to: Liver,Lung,Brain,Bone
• Hormonal Therapy– Tamoxifen
Di th l tilb t l– Diethylstilbestrol
• Systemic Chemotherapy:• Systemic Chemotherapy:– ER (--)– Failure of hormonal therapypy
No definitive regimen described due to small # of cases
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ConclusionConclusion
• MBC with rising incidence-particularly in urban US and Canada.
• Most males present with advanced clinical stage of the disease.
• Treatment of localized disease is MRM
• Adjuvant therapy is mainly hormonal• Adjuvant therapy is mainly hormonal
• The rarity of this condition precludes large d i d t i lrandomized trials
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BRCA2A. is associated with a 50% risk of breast cancerB is not associated with an increased of male breast cancer
Questions
B. is not associated with an increased of male breast cancerC. is thought to play a role in DNA damage response pathwaysD. is a cystosolic proteinE. is associated with a 40% lifetime risk of ovarian cancer
The most common etiology of senescent gynecomastia isA i h iA.cirrhosisB.IdiopathicC.Drug inducedD.Renal disease
TamoxifenA. has been shown to decrease the risk of future breast cancer by 49% in high-risk patientsB.Is an ER agonistC. has been shown to decrease the incidence of recurrent breast cancer by 47%D.Is an ER antagonistE.All of the above
A 67-year-old male arrives at your office with a 1-month history of right breast pain, most subareolar. He now is able to palpate a mass. He denies any nipple discharge or skin changes.Your next step is
A.clinical breast exam and office USB.mammogramC.Measure estrogen and testosterone levelsD.ask the patient to stop all medicationsE. give reassurance that this is not cancer and see him back in 6 months to 1 year for a repeat examination
A 45-year-old male presents with a 2 cm, painless subareolar mass of his left breast, with nipple retraction. Physical examination reveals no lymph node involvement. A fine needle biopsy of the mass is performed and reveals infiltrating ductal carcinoma with positive hormone receptors. Further workup revealsno evidence of metastatic disease. What is the most appropriate treatment plan?
A. hormone therapy with tamoxifenB. wide local excision with sentinel lymph node biopsyC. segmental mastectomyD. modified radical mastectomyE. radical mastectomy
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ER,PR and AR Expression
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TNM Stage Groupingsg p g
Stage 0 Tis N0 M0
Stage I T1a N0 M0
Stage IIA T0 N1 M0gT1aN1 M0T2 N0 M0
Stage IIB T2 N1 M0T3 N0 M0T3 N0 M0
Stage IIIA T0 N2 M0
T1a N2 M0T2 N2 M0T2 N2 M0T3 N1 M0T3 N2 M0
Stage IIIB T4 N0 M0T4 N1 M0T4 N2 M0
Stage IIIC Any T N3 M0
Stage IV Any T Any N M1
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