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All Journal BALI MEDICAL JOURNAL (BMJ) E-Jurnal Medika Udayana Journal of the Medical Sciences (Berkala Ilmu Kedokteran) Electronic Journal of Graph Theory and Applications (EJGTA) JBN (Jurnal Bedah Nasional) ISM (Intisari Sains Medis) : Jurnal Kedokteran Indonesian Journal of Clinical Pathology and Medical Laboratory (IJCPML) Indonesian Journal of Cancer
I W. Sudarsa
Department Of Surgery, Division Of Oncologic Surgery, Faculty Of Medicine Udayana University/Sanglah General Hospital Bali-Indonesia
Biochemistry, Genetics & Molecular Biology Electrical & Electronics Engineering Health Professions Immunology & microbiology Medicine & Pharmacology Neuroscience Public Health

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The locating chromatic number for m-shadow of a connected graph I Wayan Sudarsana; Faisal Susanto; Selvy Musdalifah
Electronic Journal of Graph Theory and Applications (EJGTA) Vol 10, No 2 (2022): Electronic Journal of Graph Theory and Applications
Publisher : GTA Research Group, Univ. Newcastle, Indonesian Combinatorics Society and ITB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/ejgta.2022.10.2.18

Abstract

Let c : V(G)→{1, 2, …, k} be a proper k-coloring of a simple connected graph G. Let Π = {C1, C2, …, Ck} be a partition of V(G), where Ci is the set of vertices of G receiving color i. The color code, cΠ(v), of a vertex v with respect to Π is an ordered k-tuple (d(v, C2),d(v, C2),…,d(v, Ck)), where d(v, Ci)=min{d(v, x):x ∈ Ci} for i = 1, 2, …, k. If distinct vertices have distinct color codes then c is called a locating coloring of G. The minimum k for which c is a locating coloring is the locating chromatic number of G, denoted by χL(G). Let G be a non trivial connected graph and let m ≥ 2 be an integer. The m-shadow of G, denoted by Dm(G), is a graph obtained by taking m copies of G, say G1, G2, …, Gm, and each vertex v in Gi, i = 1, 2, …, m − 1, is joined to the neighbors of its corresponding vertex v′ in Gi + 1. In the present paper, we deal with the locating chromatic number for m-shadow of connected graphs. Sharp bounds on the locating chromatic number of Dm(G) for any non trivial connected graph G and any integer m ≥ 2 are obtained. Then the values of locating chromatic number for m-shadow of complete multipartite graphs and paths are determined, some of which are considered to be optimal.
The Accuracy of FNAB as Diagnostic Tool For Thyroid Cancer Compared to Anatomical Pathology Results as Gold Standard at Sanjiwani Hospital, Gianyar Yasa, I Nyoman Wawan Tirtha; Maheswari, Luh Putu Dewanda; Suryawisesa, Ida Bagus Made; Irawan, Hendry; Sudarsa, I Wayan; Bharata, Made Dwi Yoga; Widarsa, I Ketut Tangking
JBN (Jurnal Bedah Nasional) Vol 8 No 2 (2024): JBN (Jurnal Bedah Nasional)
Publisher : Program Studi Ilmu Bedah, Fakultas Kedokteran Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JBN.2023.v08.i02.p02

Abstract

Aim: The aim of this study was to assess the accuracy of fine needle aspiration biopsy (FNAB) as a diagnostic tool for thyroid cancer in Sanjiwani Hospital, Gianyar. Methods: This study used a diagnostic test method with a retrospective cross-sectional design. A total of 138 cases of thyroid nodules that received FNAB and anatomical pathology examinations were selected consecutively. The level of accuracy was determined from the number of sensitivity, specificity, positive predictive value and negative predictive value. Results: The results of this study showed a low sensitivity 11.53%, but high specificity 100%, positive predictive value 100%, and negative predictive value 82.96% of FNAB. The accuracy of FNAB as diagnostic tools of thyroid cancer was 83,3% compared with anatomical pathology results as gold standard. Conclusion: FNAB is less accurate to diagnose thyroid cancer, but FNAB examination is accurate in differentiate benign and cancer lesion in thyroid nodule.
Kadar Fibrinogen sebagai Faktor Prediktor Apendisitis Komplikasi Pattipeilohy, Allen Anderson; Wiargitha, I Ketut; Sudarsa, I Wayan
JBN (Jurnal Bedah Nasional) Vol 8 No 1 (2024): JBN (Jurnal Bedah Nasional)
Publisher : Program Studi Ilmu Bedah, Fakultas Kedokteran Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JBN.2024.v08.i01.p04

Abstract

Tujuan: Untuk mengetahui apakah kadar fibrinogen tinggi merupakan faktor risiko terjadinya apendisitis akut komplikasi. Metode: Penelitian ini adalah penelitian observasional analitik dengan rancangan kasus kontrol. Sebanyak 32 pasien dengan tanda dan gejala klinis apendisitis akut yang menjalani apendiktomi darurat dan pengukuran kadar fibrinogen serum sebelum operasi dikumpulkan. Sensitivitas dan spesifitas kadar fibrinogen sebagai faktor prediktor dihitung menggunakan kurva receiver operating characteristic (ROC) dan penentuan titik potong dari nilai area under curve (AUC). Diagnosis akhir apendisitis akut komplikasi berdasarkan pada pemeriksaan histopatologi. Analisis statistika meliputi analisis univariat dan bivariat. Hasil: Kelompok dengan apendisitis akut komplikasi (n=16) dan apendisitis akut non-komplikasi (n=16) dikumpulkan. Rerata serum fibrinogen yang terbukti mengalami apendisitis akut komplikasi secara histopatologi adalah 453,13±28,38 mg/dL dibandingkan pada apendisitis non-komplikasi sebesar 356,19±30,89 mg/dL. Titik potong yang ditetapkan adalah 392,5 mg/dL yaitu memiliki sensitivitas 93,8%, spesifisitas 93,7% dan akurasi sebesar 98,4% dan signifikan secara statistik (p<0,001). Terdapat hubungan bermakna antara fibrinogen serum tinggi dengan apendisitis akut komplikasi, dengan OR=225 (IK95%=12,8-3939; p<0,01). Kesimpulan: Dalam diagnosis apendisitis akut komplikasi, penggunaan fibrinogen serum dapat menjadi reaktan diagnostik fase akut yang baru dengan kemungkinan berperan dalam meningkatkan kepastian penegakan diagnosis pasien apendisitis akut.
Parotid Gland Oncocytoma and Its Clinicopathological Approach: A Case Report Dewi, I Gusti Ayu Sri Mahendra; Sudarsa, I Wayan; Mahastuti, Ni Made; Patriawan, Putu; Paskarani, Putu Erika; Heryanto, Budi
Indonesian Journal of Cancer Vol 19, No 1 (2025): March
Publisher : http://dharmais.co.id/

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33371/ijoc.v19i1.1233

Abstract

Introduction: Oncocytoma is a benign tumor of the salivary glands consisting of oncocyte cells, occurring in approximately 2% of all salivary gland neoplasms, most of which occur in the parotid gland. This tumour most commonly occurs in the sixth to eighth decades of life, with a mean age of 64 years and without gender predilection. The clinical presentation is often misdiagnosed as pleomorphic adenoma, cystic lesion, and inflammation.Case Presentation: A 63-year-old male, complained of a lump under the right ear, for 7 years ago. It feels painless and slightly enlarged since a month before surgery. Based on clinical examination suspected as benign cystic lesion due to inflammation and ultrasound suggesting a benign tumour mass with multiple lymphadenopathies at the right and left submandibular and right parotid. Then, the resected tumour continued for histopathological examination. Microscopically, the tumor cells are confined to the tissue. It consists of a uniform large polygonal cell with granular eosinophilic cytoplasm without any mitosis and necrotic area.Conclusions: Oncocytoma is a rare benign tumor of the salivary glands, especially affecting the parotid gland. Clinical and radiologically it is often misdiagnosed, so histopathological examination is needed for diagnostic confirmation for the best patient outcomes
Co-Authors A. Winata, A. Arif Winata Bharata, Made Dwi Yoga Budi Heryanto Desak Made Wihandani Faisal Susanto Gede Andry Nicolas Andry Nicolas Hendry Irawan I B. T Wibawa-Manuaba I G. N. Pustaka I G. P. Supadmanaba I Gusti Ayu Sri Mahendra Dewi I Gusti Ngurah Gde Dwi Aryanata I Ketut Wiargitha I Nyoman Semadi I Wayan Ari Sumardika I Wayan Putu Sutirta Yasa I. B. Tjakra Wibawa Manuaba Ida Bagus Made Suryawisesa K Tangking Widarsa K. Y. Yarso M.A. Keswara Maheswari, Luh Putu Dewanda Ni Gst Ayu Agung Manik Yuliawati Wetan Ni Luh Putu Harta Wedari Ni Made Dian Hartaningsih Ni Made Mahastuti Nyoman Golden Nyoman Putu Riasa O. Y. Ampur, O. Y. Paskarani, Putu Erika Patriawan, Putu Pattipeilohy, Allen Anderson Putu Anda Tusta Adiputra Putu Ayu Kartika Putri Saraswati Selvy Musdalifah Setiawan, I Gede Budhi Sri Maliawan Suryawisesa, Ida Bagus Made Theodore Dharma Tedjamartono Tjokorda Gde Bagus Mahadewa Yasa, I Nyoman Wawan Tirtha