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"Latar belakang Kanker payudara merupakan salah satu kanker paling banyak dialami oleh perempuan di dunia. Data yang didapatkan di RSUPN Cipto Mangunkusumo Jakarta menunjukkan bahwa sebagian besar pasien datang pada stadium lanjut lokal. Penanganan kanker payudara pada tahap lanjut lokal meliputi pemberian kemoterapi neoadjuvan, mastektomi, serta rekonstruksi. Waktu pelaksanaan rekonstruksi payudara pascamastektomi terbaik masih mejadi perdebatan pada klinisi. Studi ini bertujuan untuk membandingkan luaran antara rekonstruksi payudara secara immediate dan delayed pada pasien kanker payudara lanjut lokal yang dilakukan mastektomi dan pemberian kemoterapi neoadjuvan.Metode Penelitian ini merupakan sebuah studi tinjauan sistematik dengan pencarian literatur dari basis data elektronik Cochrane, Pubmed, dan ScienceDirect, tanpa membatasi waktu dan bahasa. Telaah kritis dilakukan dengan menggunakan panduan Critical Appraisal Skills Programme (CASP). Luaran yang dinilai dalam penelitian ini adalah mortalitas, rekurensi, komplikasi, dan kualitas hidup.Hasil Ditemukan sebanyak empat artikel tentang perbandingan antara luaran rekonstruksi immediate dan delayed pada rekonstruksi kanker payudara stadium lanjut lokal pascakemoterapi neoadjuvan yang kemudian disaring hingga diperoleh dua artikel yang dinilai layak dikaji. Dari hasil kajian ini diketahui bahwa tidak terdapat perbedaan mortalitas dan rekurensi antar kelompok, didapatkan tingkat komplikasi yang lebih tinggi pada kelompok dengan rekonstruksi immediate, serta tidak didapatkan data mengenai kualitas hidup pada kedua kelompok.Kesimpulan Didapatkan tingkat komplikasi yang lebih tinggi secara signifikan pada rekonstruksi payudara secara immediate, namun tidak didapatkan perbedaan luaran pada parameter lainnya antar kelompok

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Background Breast cancer is one of the most common cancers among women in the world. Data from Cipto Mangunkusumo National General Hospital showed that most of the patients were in locally-advanced stage. The treatment of locally advanced breast cancer includes administration of neoadjuvant chemotherapy, mastectomy, and reconstruction. The ideal timing of post-mastectomy breast reconstruction is still a matter of debate for clinicians. This study aimed to compare the outcome between immediate and delayed breast reconstruction in locally advanced breast cancer after mastectomy and neoadjuvant chemotherapy.

Method This systematic review utilized Cochrane, Pubmed, and ScienceDirect as the databases. There was no limitation on the timing of publication, nor the language. The critical analysis was conducted using the Critical Appraisal Skills Program (CASP) guide. The outcomes assessed in this study were mortality, recurrences, complications, and quality of life.

Result There were four articles comparing immediate and delayed reconstruction outcomes in locally advanced breast cancer, after mastectomy and neoadjuvant chemotherapy. The articles were further screened to obtain two articles deemed suitable for this study. This study showed that there was no difference in mortality and recurrence between groups. However, there was a significant higher complication rate in the immediate reconstruction group. There was no data regarding the quality of life in the two groups.

Conclusion There was significantly higher rate of complications with immediate breast reconstruction, but there was no difference in outcome in other parameters between groups"

"Latar Belakang: NAC neoadjuvant chemotherapy secara umum telah digunakan di LABC locally advanced breast cancer untuk mengurangi ukuran tumor dan membuat tumor tersebut bisa untuk dioperasi. Meskipun ukuran tumor telah berkurang, masih diperdebatkan batas pembedahan pasca NAC untuk LABC dengan karsinoma mastitis, ulkus payudara, dan fitur agresif lainnya bebas dari tumor karena kemoterapi tidak bisa membunuh 100 dari sel-sel tumor. Metode: Desain penelitian adalah studi potong lintang. Sampel diambil dari semua pasien dengan LABC yang datang ke klinik onkologi rawat jalan dari RS Cipto Mangunkusumo dan ditato untuk batas pembedahan berdasarkan ukuran tumor sebelum NAC. Penelitian ini dilakukan untuk menentukan batas pembedahan yang benar di LABC setelah NAC. Hasil: Dari total 85 pasien, 42 pasien termasuk dalam studi dan 30 pasien masih menjalani pemberian NAC. Umur pasien berkisar antara 27-70 tahun dengan frekuensi tertinggi adalah 40-50 tahun 47,6 . Frekuensi kasus tersering adalah pasien dengan stadium IIIB 92,9 , grade 2 66,7 , histopalogi karsinoma duktal invasif 92,8 hasil IHK imunohistokimia over-ekspresi HER2 42,8 , volume tumor sebelum NAC > 100cc 85,8 dan volume tumor setelah NAC 50-100cc 57,2 . Regimen kemoterapi yang banyak digunakan CAF 76,1 dengan respon parsial 95,2. Kesimpulan: Batas sayatan kulit berdasarkan ukuran tumor pasca NAC dapat menjadi acuan untuk operasi, namun pada dasar sayatan operasi masih perlu dilakukan frozen section untuk memastikan bebas tumor atau tidak. Seorang ahli bedah juga harus lebih berhati-hati dalam menentukan batas sayatan operasi pada kasus mastitis karsinomatosis, ulkus payudara yang besar dan tumor yang terletak di medial payudara dimana pada kondisi ini batas sayatan operasi dapat beresiko tidak bebas tumor.

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Introduction: There is limited evidence regarding the effectivness of neoadjuvant chemotherapy NAC to improve surgical margins for locally advanced breast cancer LABC patients. In this study, NAC was used to reduce tumor size to improve operability and reduce surgical margins, with confirmation of tumor free areas provided by post operative histopathology. The reduction of surgical margins has the potential to reduce the need for extensive surgery and the risk of complications in LABC patients.

Method: The study participants were patients diagnosed with LABC in Ciptomangunkusumo Hospital Jakarta and Awal Bros Bekasi Hospital Bekasi between 2014 and 2015. Patients underwent NAC, and those with partial or complete response were sent for surgery. Tumor excision was done according to the pre NAC surgical margin, which was marked by tattoo. Histopathology then checked for tumor cells in the surgical margins based on breast tumor size of pre and post NAC. Data was analyzed with SPSS version 20 with numerous statistical tests. Cross tabulation analyses were done to examine the characteristics of the study participants. McNemar test was used to determine and compare the pre and post NAC surgical margins.

Results: Out of 42 patients, 38 were observed to have tumor free surgical margins in both pre and post NAC. Of the remaining four patients, three patients had tumor cells in both surgical margins, and one patient had a tumor free pre NAC but positive tumor cells post NAC. McNemar analysis suggests no significant difference p 1,000 in the two surgical margins evaluated. Based on Wilson score analysis, agreement of negative result of surgical margin in pre NAC compare to post NAC is 97.3 CI 86,18 99.52 . Mean while, agreement of positive tumor cell in pre NAC to post NAC surgical margin is 100 CI 90.36 100.

Conclusion: Surgical margins in the skin based on the post NAC tumor size can be used as a guide for surgery, but not in the tumor base. If the surgical margin of tumor base is ambiguos, frozen section can be performed to confirm tumor free in the tumor base. This will reduce the risk of residual tumor cells in surgical margins. "

"[ABSTRAK Latar belakang : Kanker payudara lanjut lokal (KPLL) adalah kanker payudara stadium III.Modalitas terapi KPLL adalah pembedahan, kemoterapi, radioterapi, hormonal terapi dan terapi target. Respon kemoterapi neoadjuvan terdiri dari respon klinis dan respon patologi. Penilaian respon kemoterapi neoadjuvan penting untuk memprediksi angka ketahanan hidup dan dapat menjadi pedoman kemoterapi selanjutnya. Penilaian respon patologi selama ini bersifat kuantitatif dan sering tidak selaras dengan respon klinis. Perubahan jumlah selularitas dapat terlihat, tetapi kualitas sel tumor tersebut tidak dapat diketahui dengan pulasan Haematoxylin-eosin (HE) pada fase awal fragmentasi DNA, sehingga penilaian respon patologi perlu dilakukan secara kuantitatif dan kualitatif yaitu menilai selularitas sel tumor dan persentase apoptosis. Bahan dan cara : Dilakukan penelitian retrospektif analitik secara potong lintang pada kanker payudara lanjut lokal tahun 2010-2014 di Departemen Patologi Anatomi FKUI/RSCM dan divisi bedah onkologi RSCM. Sampel biopsi dan reseksi dibandingkan untuk mengevaluasi penurunan selularitas, kemudian diklasifikasikan ke derajat Miller- Payne (MP). Sampel reseksi dipulas dengan TUNEL dan dihitung persentase apoptosis. Penurunan selularitas antara biopsi dan mastektomi dengan TUNEL merupakan Modifikasi MP. Hasil : Perubahan respon patologi dengan Modifikasi MP menimbulkan peningkatan derajat pada 24 kasus. Tidak terdapat hubungan antara respon klinis dengan persentase apoptotis (p=0,108), respon klinis dengan MP (p=1,000) dan Modifikasi MP (p=0,655). Tidak didapatkan hubungan dan adanya korelasi yang lemah antara penyusutan massa tumor secara klinis dengan jumlah sel tumor yang mati dengan MP (p=0,177; r =0,212) dan Modifikasi MP (p=0,609; r = 0,081). Terdapat perbedaan signifikan antara jumlah sel mati yang dinilai dengan MP dan Modifikasi MP (p =0,000). Kesimpulan : Persentase apoptosis tidak berhubungan dengan respon klinis. Modifikasi MP meningkatkan nilai derajat respon patologik, tetapi penilaian Modifikasi MP tetap tidak menunjukkan korelasi dengan respon klinik.ABSTRACT Background: Locally advanced breast cancer (LABC) is a stage III breast cancer. The management of LABC includes surgery, chemotherapy, radiotherapy, hormonal and targeted therapy. Responses to neoadjuvant (before surgery) chemotherapy consist of clinical and pathological responses. Evaluating chemotherapy response is essential to predict survival rate and it may become guidelines for the next chemotherapy in the future. Until now, the evaluation of pathological response only involves quantitative assessment and the clinical responses are often inconsistent with the pathological responses. Morphological changes of apoptotic cells can still be seen. However, the quality of the tumor cells is vague when the cells are stained with Hematoxylin-eosin (HE) during the first stage of DNA fragmentation. The evaluation of pathological responses; therefore, need to be performed by quantitative and qualitative methods, i.e. by evaluating the cellularity of tumor cells and the percentage of apoptosis.

Materials and method: A cross-sectional analytical retrospective study was conducted on the issue of locally advanced breast cancer between 2010 and 2014 at the Department of Anatomical Pathology, Faculty of Medicine Universitas Indonesia, Cipto Mangunkusumo Hospital and Division of Surgical Oncology, Cipto Mangunkusumo Hospital. Specimens of biopsy and resection were compared to evaluate reduction in cellularity, which were subsequently categorized into stages of Miller-Payne (MP) classification. The specimens of resection were stained with TUNEL and the percentage of apoptosis was calculated. Reduction in cellularity between biopsy and mastectomy specimens with TUNEL staining is a modified MP methods.

Results: The evaluation of pathological responses using the modified MP method has increased the value of MP grading in 24 cases. We found no association between clinical responses with percentage of apoptosis (p=0,108), MP pathological responses (p=1,000) and modified MP (p=0,655). There is no association and weak correlation between decreasing tumor mass with MP (p=0,177; r=0,212) and modified MP (p=0,609; r=0,081). There was a correlation between the dead cell evaluated by MP and by modified MP. (p=0.000)

Conclusion: Apoptosis percentage does not correlate with clinical responses. Modified MP increases the degree or grading of pathological responses, but it does not improve the correlation with clinical responses., Background: Locally advanced breast cancer (LABC) is a stage III breast cancer. The management of LABC includes surgery, chemotherapy, radiotherapy, hormonal and targeted therapy. Responses to neoadjuvant (before surgery) chemotherapy consist of clinical and pathological responses. Evaluating chemotherapy response is essential to predict survival rate and it may become guidelines for the next chemotherapy in the future. Until now, the evaluation of pathological response only involves quantitative assessment and the clinical responses are often inconsistent with the pathological responses. Morphological changes of apoptotic cells can still be seen. However, the quality of the tumor cells is vague when the cells are stained with Hematoxylin-eosin (HE) during the first stage of DNA fragmentation. The evaluation of pathological responses; therefore, need to be performed by quantitative and qualitative methods, i.e. by evaluating the cellularity of tumor cells and the percentage of apoptosis.

Materials and method: A cross-sectional analytical retrospective study was conducted on the issue of locally advanced breast cancer between 2010 and 2014 at the Department of Anatomical Pathology, Faculty of Medicine Universitas Indonesia, Cipto Mangunkusumo Hospital and Division of Surgical Oncology, Cipto Mangunkusumo Hospital. Specimens of biopsy and resection were compared to evaluate reduction in cellularity, which were subsequently categorized into stages of Miller-Payne (MP) classification. The specimens of resection were stained with TUNEL and the percentage of apoptosis was calculated. Reduction in cellularity between biopsy and mastectomy specimens with TUNEL staining is a modified MP methods.

Results: The evaluation of pathological responses using the modified MP method has increased the value of MP grading in 24 cases. We found no association between clinical responses with percentage of apoptosis (p=0,108), MP pathological responses (p=1,000) and modified MP (p=0,655). There is no association and weak correlation between decreasing tumor mass with MP (p=0,177; r=0,212) and modified MP (p=0,609; r=0,081). There was a correlation between the dead cell evaluated by MP and by modified MP. (p=0.000)

Conclusion: Apoptosis percentage does not correlate with clinical responses. Modified MP increases the degree or grading of pathological responses, but it does not improve the correlation with clinical responses.]"