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"The work describes a new method of sphincter salvage in surgery of rectal cancer. Low tumors of the rectum are traditionally treated with amputation of the rectum. However, this operation is not well-received by patients, since it results in a permanent colostomy. By contrast, intersphincteric resection allows sphincter salvage even in low tumors and is now widely accepted among experts in the field of colorectal surgery. The book will describe the basics (pathology,physiology, radiology) as well as the surgical technique and its different modifications."

"ABSTRACTPurposeTo compare the time-course change in the postoperative anorectal function between laparoscopic intersphincteric resection (ISR) and low anterior resection (LAR).MethodsThis is a single-institution observational study. We evaluated the time-course change in the anorectal function using functional questionnaires before and at 6, 12, and 24 months after laparoscopic ISR or LAR.ResultsSixty-two patients answered the functional questionnaires (28 in the ISR group and 34 in the LAR group). In the ISR group, the Wexner scores at 6, 12, and 24 months postoperatively were significantly higher than preoperatively. Importantly, the Wexner score at 24 months postoperatively was significantly lower than that at 6 months postoperatively. The low GIFO scores at 6 and 12 months postoperatively tended to be recovered to some extent at 24 months postoperatively. In the LAR group, Wexner score at 6 months postoperatively was significantly higher than that preoperatively. Notably, the Wexner score at 12 months postoperatively was recovered to almost the same as that preoperatively. The GIFO scores at 12 months postoperatively were mostly recovered to the same levels as those preoperatively.ConclusionsLaparoscopic ISR exhibits different time-course changes in the anorectal function from laparoscopic LAR."

"ABSTRAKLatar Belakang : Gangguan fungsi defeksi, yang diketahui sebagai sindrom Low Anterior Resection (LARS) menjadi masalah utama paska pembedahan kanker rektum yang akan berpengaruh pada kualitas hidup. Studi ini bertujuan untuk menngetahu insidens LARS pada pasien paska prosedur preservasi sfingter ani dan faktor- faktor yang mempengaruhi LARS.Metode : Pasien kanker rektum yang menjalani eksisi total mesorektal dan anastomosis colorectal selama periode 2017-2018 berpartisipasi dalam pengisian kuesioner LARS. Parameter klinis yang dianalisis dan untuk perbandingan fisiologi anorektal antara mayor LARS dan no LARS atau minor LARS menggunakan pengukuran biofeedback.Hasil: Studi ini melibatkan 40 pasien, mayor LARS didapatkan pada 42,5% pada pasien yang menjalani low anterior resection (LAR). Radioterapi preoperatif dan level anastomosis berhubungan dengan major LARS dengan odd ratio 0,1 (95% CI : 0,02- 0,49) and 0,07 (95% CI 0,01- 0,39). Dilakukan penghitungan luasan dibawah kurva (AUC) dengan cara receiver operating characteristic (ROC) sebesar 0,77 dan didapatkan titik potong level anastomosis di 5 cm dengan nilai ramal negative 88,23%. Pengukuran biofeedback menunjukkan perbedaan signifikan pada tekanan anal istirahat (resting anal pressure) dan tekanan kontraksi maksimal (maximal squeeze pressure) diperkirakan terjadi gangguan pada fungsi sfingter dan terapi preoperatif berperan untuk terjadinya LARS.Kesimpulan: LARS merupakan masalah signifikan yang diteukan pada hampir sepertiga pasien kanker rektum paska pembedahan. Resiko terkena mayor LARS meningkat dengan adanya terapi preoperatif dan rendahnya level anastomosis.

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ABSTRACTBackground : Defective defecation n function, also known as low anterior resection syndrome (LARS), is common problem after surgical treatment of rectal cancer that has a detrimental effect on quality of life. This study aimed to look for the incidence of LARS in patients whose native rectum could not be kept and determine factors influencing major LARS.Methods : Retal cancer patients who underwent tumor removal with mesorectal excision and colorectal anastomosis during the years 2017-2018 were asked to participate a structured interview using the verified version of the LARS questionnaire. Clinical parameters were analyzed and anorectal physiology was compared between those with major LARS and those without LARS by biofeedback measurement.Results : This study included 40 patients ,major LARS was found at 42,5% in those who underwent low anterior resection , which incidence 22% than other group. Preoperative radiotherapy and level of the anastomosis associated with major LARS at an odd ratio 0,1 (95% CI : 0,02- 0,49) and 0,07 (95% CI 0,01- 0,39). The receiver operating characteristic curve showed an area under the curve of 0,77. The cut-off anastomotic level was at 5 cm, which gave a negative predictive value of 88,23%. Biofeedback measurement showed a significant difference in the resting anal pressure and maximal squeeze pressure, which suggests that dearrangement in sphincteric function and preoperative therapy may contribute to the LARS.Conclusion : LARS is significant problem found in about one third of rectal patients after surgery. Risk of having major LARS increases with preoperative treatment and lower anastomotic level."

"PURPOSE: Rectal gastrointestinal stromal tumors (GISTs) are rare. Accordingly, their clinical features are not well-documented and optimal treatment has not been established. The objective of this study is to clarify the rates and patterns of recurrence after surgical resection of rectal GISTs, with a focus on outcomes and therapeutic modalities.METHODS: The registry was designed to collect data on rectal GISTs recorded between January, 2003 and December, 2007 at 40 participating institutions of the Kinki GIST Study Group. The principal variables were the rates and patterns of recurrence of rectal GISTs. Other study variables were age, sex, tumor size, mitotic count, distance from the anal verge, tumor location, surgical procedures, surgical margins, and recurrence-free survival.RESULTS: Twenty-four cases were registered, 11 (45.8%) of which were classified as high-risk by the modified NIH criteria. Locoregional recurrence (7/23, 30.4%) was the predominant recurrence pattern after curative resection, with rates that did not differ after local excision (33.3%; 3/9) vs. extended resection (28.6%; 4/14). The recurrence rates were high (25.0%) even for patients with low-risk disease. There was only one case of recurrence among patients who received perioperative treatment with imatinib.CONCLUSIONS: Rectal GISTs showed high rates of local recurrence regardless of the surgical procedure. Perioperative treatment with imatinib may improve outcomes."

"ABSTRACTLow anterior resection syndrome (LARS) commonly develops after an anal sphincter-preserving operation (SPO). The etiology of LARS is not well understood, as the anatomical components and physiological function of normal defecation, which may be damaged during the SPO, are not well established. SPOs may damage components of the anal canal (such as the internal anal sphincter, longitudinal conjoint muscle, or hiatal ligament), either mechanically or via injury to the nerves that supply these organs. The function of the rectum is substantially impaired by resection of the rectum, division of the rectococcygeus muscle, and/or injury of the nervous supply. When the remnant rectum is small and does not function properly, an important functional role may be played by the neorectum, which is usually constructed from the left side of the colon. Hypermotility of the remnant colon may affect the manifestation of urge fecal incontinence. To develop an SPO that minimizes the risk of LARS, the anatomy and physiology of the structures involved in normal defecation need to be understood better. LARS is managed similarly to fecal incontinence. In particular, management should focus on reducing colonic motility when urge fecal incontinence is the dominant symptom."

"Pendahuluan: Kelengkungan spinal dapat menjadi tolak ukur untuk menilai postur tubuh, fungsi tulang belakang dalam melindungi struktur saraf di dalamnya, dan dapat mempengaruhi kualitas hidup seseorang. Tumor spinal primer merupakan salah satu penyebab kelainan kelengkungan atau deformitas spinal. Penyakit ini memerlukan tindakan pembedahan sebagai tatalaksana utama. Sayangnya, tindakan operasi berpotensi untuk mendisrupsi komponen pembentuk kelengkungan spinal. Tulisan ini bertujuan untuk melihat perubahan kelengkungan pascaoperasi, faktor yang mempengaruhi, dan melihat hubungannya dengan luaran klinis pasca operasi.Metode: Penelitian ini menggunakan pendekatan kohort retrospektif, menggunakan data pasien dengan tumor spinal primer yang dilakukan operasi dari Januari 2017 hingga Desember 2022 di Rumah Sakit Cipto Mangunkusumo. Subjek penelitian ini adalah pasien dengan usia lebih dari 18 tahun, memiliki pemeriksaan penunjang berupa MRI spinal dan rekam medis lengkap, dilakukan operasi tanpa fusi. Sebanyak 32 pasien masuk dalam kriteria ini. Penilaian kelengkungan spinal menggunakan metode Cobb pada MRI sebelum dan setelah operasi di bulan ke-6, dan luaran klinis dinilai menggunakan data dari rekam medisHasil: Sebanyak 81,3% termasuk tumor intradural-ekstramedula dengan schwannoma adalah jenis terbanyak. Terdapat perubahan sudut C2-C7 sebesar -3,81 ± 2,97 derajat menuju kifotik (p=0,003) pada regio cervical. Pada regio thorakal, kami dapatkan perubahan sudut pada thorakal atas (Th1-Th5) sebesar 1,28 ± 0,51 derajat mengarah ke kifotik (p=0,000). Tidak didapatkan perubahan sudut Cobb pada tumor spinal regio lumbosacral. Secara klinis, VAS preoperasi berpengaruh terhadap kelengkungan pada regio lumbosacral (p=0,036). Analisis multivariat menunjukkan terdapat pengaruh yang bermakna antara teknik operasi (hemilaminektomi vs laminektomi), dan nilai cobb’s angle preoperasi pada regio cervical (C2-C7).  Pada penelitian ini, semua kasus tumor spinal yang dilakukan operasi mengalami perbaikan klinis yang signifikan. Tidak terdapat perbedaan bermakna antara perubahan cobb’s angle, teknik operasi, cobb’s angle preoperasi, onset, jenis kelamin, level laminektomi, dan resektabilitas dengan luaran klinis pascaoperasi.Kesimpulan: Teknik operasi dan cobb’s angle preoperasi merupakan faktor prediktor yang berpengaruh terhadap besarnya kemungkinan perubahan cobb’s angle pascaoperasi tumor spinal primer regio cervical. 

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Introduction: Spinal curvature can be a benchmark for assessing body posture, the function of the spine in protecting the nerve structures within it, and can affect a person's quality of life. Primary spinal tumors are one of the causes of spinal curvature abnormalities or deformities. This disease requires surgery as the main treatment. Unfortunately, surgery has the potential to disrupt the components that form spinal curvature. This paper aims to examine changes in postoperative curvature, influencing factors, and see their relationship with postoperative clinical outcomes.

Methods: This study used a retrospective cohort approach, using data on patients with primary spinal tumors who underwent surgery from January 2017 to December 2022 at Cipto Mangunkusumo Hospital. The subjects of this study were patients over 18 years of age, who had supporting examinations in the form of spinal MRI and complete medical records, who underwent surgery without fusion. Spinal curvature was assessed using the Cobb method on MRI before and after surgery at 6 months, and clinical outcomes were assessed using data from medical records

Results: A total of 32 patients met these criteria, and 81.3% included intradural-extramedullary tumors with schwannoma being the most common type. There was a change in the C2-C7 angle of -3.81 ± 2.97 degrees towards kyphotic (p=0.003) in the cervical region. In the thoracic region, we found a change in the upper thoracic angle (Th1-Th5) of 1.28 ± 0.51 degrees towards khypotic (p=0.000). There was no change in the Cobb angle in spinal tumors in the lumbosacral region. Clinically, preoperative VAS affected curvature in the lumbosacral region (p=0.036). Multivariate analysis showed that there was a significant influence between surgical technique (hemilaminectomy vs laminectomy), and preoperative Cobb's angle values in the cervical region (C2-C7). In this study, all cases of spinal tumors that underwent surgery experienced significant clinical improvement. There were no significant differences between changes in Cobb's angle, surgical technique, preoperative Cobb's angle, onset, gender, laminectomy level, and resectability and postoperative clinical outcomes.

Conclusion: Surgical technique and preoperative Cobb's angle are predictor factors that influence the likelihood of changes in Cobb's angle after surgery for primary spinal tumors in the cervical region."

"ABSTRAKKanker rektum merupakan salah satu penyakit keganasan saluran gastrointestinal yang banyak dialami masyarakat perkotaan. Salah satu tindakan pembedahan yang dapat dilakukan adalah operasi metode ultra low anterior resection. Berdasarkan jurnal terkait, pasien paksa operasi metode ultra low anterior resection memiliki risiko sebesar 10-20% terkena sindrom anterior resection dengan gejala kelemahan sfingter anal sehingga mengakibatkan inkontinensia fekal. Salah satu tindakan yang dapat dilakukan kepada pasien untuk mencegah masalah tersebut adalah dengan latihan kegel. Latihan kegel yang dilakukan secara rutin dapat membantu meningkatkan kontrol anus dan menguatkan sfingter anus. Latihan dilakukan secara bertahap sebanyak 4x10 set dalam sehari. Evaluasi latihan kegel dilakukan menggunakan colok dubur untuk mengevaluasi kekuatan kontraksi anus. Sebelum latihan kegel dilakukan, penanganan manajemen nyeri pada pasien paska operasi harus dilaksanakan dengan baik terlebih dahulu agar toleransi latihan kegel tinggi dan latihan dapat dilakukan segera setelah operasi.

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ABSTRAKRectal cancer is a malignancy of the gastrointestinal tract that is experienced by the urban community. One of the surgery choices is ultra low anterior resection method. Based on the relevant journal, patients were treated with this method have 10-20% higher risk of anterior resection syndrome, which symptoms is weakness of the anal sphincter, resulting in fecal incontinence. One of the interventions that can prevent patients from the fecal incontinence is Kegel exercises. Regular exercises can help improve and strengthen control of the anal sphincter. Exercises done gradually as 4x10 sets in a day. The evaluation of exercises using a rectal tusche to evaluate the strength of anus contraction. Before Kegel exercises is started, handling the management of pain post-surgery must be performed well so that patients have a higher tolerance of Kegel exercises and the exercises can be done soon after surgery.;"

"Latar belakang: Tatalaksana rekonstruksi pada pasien reseksi mandibula dengan hanya menggunakan rekonstruksi plat umum dilakukan dibeberapa rumah sakit di Indonesia. Beberapa komplikasi yang dapat terjadi pasca rekonstruksi mandibula dapat berupa ekspose plat, fraktur plat dan fistula.Tujuan: Tujuan penelitian ini akan mencari beberapa faktor yang mempengaruhi terjadinya komplikasi tersebut.Material dan metode: Penelitian ini merupakan studi retrospektif dari tahun 2012-2017 yang diambil dari rekam medis. Data tumor jinak mandibula (lokasi, ukuran, panjang), data sistemik pasien (riwayat merokok, diabetes, status gizi) dan data operasi (durasi, sistem plat rekonstruksi) dihubungkan dengan kejadian komplikasi yang dianalisis dengan menggunakan Kaplan Meier Survival Curve dan Cox Regresi Proportional Hazard.Hasil: Terkumpul 69 data dengan prevalensi terjadinya komplikasi sebesar 21,73%(15/69) dengan rerata lama observasi 15,4 bulan. Terdapat pengaruh riwayat merokok (p=0,000) dan faktor usia (p=0,000) terhadap terjadinya komplikasi pasca pemasangan plat dengan hazard ratio riwayat merokok 9,19 dan faktor usia 10-20 tahun dibanding diatas 60 tahun sebesar 153,8. Angka survival plat pada pasien tidak merokok berada diatas 80% pada 2 tahun pertama, tahun ketiga 60% dan setelah itu dapat menurun hingga 20-40%.Kesimpulan: Merokok dan faktor usia berpengaruh terhadap kejadian komplikasi pasca rekonstruksi mandibula. Jika memungkinkan, rekonstruksi mandibula hanya dengan plat rekonstruksi merupakan tindakan sementara, perlu dipertimbangkan penggunaan graft baik vascularized maupun non-vascularized.

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Background: Treatment of reconstruction in post-mandibular resection patients using only plate reconstruction is commonly performed in several hospitals in Indonesia. Some complications that can occur after reconstruction of the mandible can be expose plates, plate fractures and fistulas.

Aim: The purpose of this study will look for several factors that influence the occurrence of these complications.

Material and method: A retrospective study from 2012-2017 taken from medical records. Data on benign mandibular tumors (location, size, length), patient systemic data (smoking history, diabetes, nutritional status) and operating data (duration, reconstruction plate system) were associated with the incidence of complications, analyzed using Kaplan Meier Survival Curve and Cox Proportional Regression Hazard.

Result: Sixty-nine data with the prevalence of complications 21.73% (15/69) with an average observation time 15.4 months. There was an effect of smoking history (p = 0,000) and age factor (p = 0,000) on the occurrence of postoperative complications with hazard ratio of smoking history 9,19 and age factor 10-20 years compared to over 60 years is 153,8. The plate survival rate in patients who do not smoke is above 80% in the first 2 years, the third year is 60% and after that it can decrease by 20-40%.

Conclusion: Smoking and age factors influence the incidence of post-reconstruction mandibular complications. If possible, mandible reconstruction using a reconstruction plate is temporary procedure, it is necessary to consider the use of either vascularized or non-vascularized grafts."

"This book is the first manuscript dedicated entirely to Desmoid Tumors. Written by prominent clinicians, researchers and advocacy group experts, patients and professionals alike will find this to be a comprehensive review. Clinical presentation, imaging guidelines and treatment paradigms are highlighted. Both the sporadic and heredity forms (Familial Adenomatous Polyposis) will be discussed. A thorough discussion on the unique issues in children with DT is included. A portion of the book will address the role of the APC gene, the β-catenin protein and the role of mutations in the genesis of DT. Emerging cutting edge research techniques will be revealed. Also included is a thoughtful discussion on the controversial labelling of desmoid tumors as benign and the consequences of such a designation. The role of advocacy groups in supporting research and in promoting awareness of rare diseases such as DT will be outlined. This book will serve as basis to prepare clinicians, researchers and patients to embark on the quest for a cure for desmoid tumors."