Background: Breast cancer symptoms are often not felt clearly by patients, as a result many patients who come in an advanced stage. This will affect the prognosis and cure rate of the patient. There are several factors that influence the prognosis of breast cancer, including histopathological grade, and classic immunohistochemical markers such as estrogen receptors, progesterone receptors, and HER2. In addition, breast cancer can be 4 main molecular subtypes, namely Luminal A, Luminal B, HER2-Overexpression, and Triple Negative / Basal-Like. Objectives: This study aims to determine the relationship between histopathological grade with the molecular subtypes of breast cancer patients in Haji Adam Malik General Hospital in 2016-2018. Methods: This is analytical cross-sectional research using a consecutive-sampling technique. Data were obtained secondary from the medical records of breast cancer patients at Haji Adam Malik General Hospital in 2016-2018 and then analyzed with the chi-square test. From 1005 cases of breast cancer during the 2016-2018 period, 131 samples were taken in this study. Results: Of the 131 samples, the highest histopathological grade was grade 2 with 53 people  (40.5%), followed by 41 people (31.3%) with grade 3, and 37 people (28.2%) with grade 1. The most molecular subtypes were Luminal A with 38 people (29%), followed by 33 people (25.2%) with Luminal B, 31 people (23.7%) with HER-2 Overexpression, and 29 people (22.1%) with Triple Negative / Basal-like. From the analysis of the chi-square test obtained p value of 0.045. Conclusion: There is a relationship between histopathological grade with molecular subtypes of breast cancer patients. Keywords: breast cancer, histopathological grade, immunohistochemistry, molecular subtypes     Latar Belakang: Gejala-gejala kanker payudara sering tidak dirasakan dengan jelas oleh pasien, akibatnya banyak pasien yang datang dalam keadaan stadium lanjut. Hal ini akan mempengaruhi prognosis dan tingkat kesembuhan pasien. Terdapat beberapa faktor yang mempengaruhi prognosis dari kanker payudara, antara lain grading histopatologi, dan marker imunohistokimia klasik seperti reseptor estrogen, reseptor progesteron, dan HER2. Selain itu, kanker payudara dapat diklasifikasikan menjadi 4 subtipe molekuler utama, yaitu Luminal A, Luminal B, HER2-Overexpression, dan Triple Negative/Basal-Like. Tujuan: Penelitian ini bertujuan untuk mengetahui hubungan antara grading histopatologi dengan subtipe molekuler pasien kanker payudara di RSUP Haji Adam Malik Tahun 2016-2018. Metode: Penelitian ini merupakan penelitian analitik menggunakan desain cross-sectional dengan teknik pengambilan sampel consecutive-sampling. Data diperoleh secara sekunder dari rekam medis pasien kanker payudara di RSUP Haji Adam Malik pada tahun 2016-2018 dan kemudian dianalisis dengan uji chi-square. Dari 1005 kasus kanker payudara selama periode 2016-2018, diambil sampel pada penelitian ini sebanyak 131 buah rekam medis. Hasil: Dari 131 sampel, grading histopatologi terbanyak terdapat pada grade 2 dengan 53 orang (40,5%) , diikuti 41 orang (31,3%) dengan grade 3, dan 37 orang (28,2%) dengan grade 1. Subtipe molekuler terbanyak yaitu Luminal A dengan 38 orang (29%), diikuti 33 orang (25,2%) dengan Luminal B, 31 orang (23,7%) dengan HER-2 Overexpression, dan 29 orang (22,1%) dengan Triple Negative/Basal-like. Dari hasil uji chi-square diperoleh nilai p sebesar 0,045. Kesimpulan: Terdapat hubungan antara grading histopatologi dengan subtipe molekuler pasien kanker payudara. Kata kunci: grading histopatologi, imunohistokimia, kanker payudara, subtipe molekuler

Healthcare workers in hospitals are vulnerable to risks associated with solid medical waste, such as used unsterile needles. This study aims to explain the relationship between knowledge with attitudes and behavior of students and solid medical waste knowledge. This was a descriptive-analytic study with consecutive sampling method, conducted from June to December 2018 on students of the medical professional education program at the Universitas Sumatera Utara Hospital. A questionnaire was performed to test the data validity and reliability, whereas the data was statistically analyzed using the Fisher Exact test. A total of 50 students consisting of 31 women (62%) and 19 men (38%), the majority were aged 22-23 years as many as 40 students (80%). On average, 26 students (52%) had a moderate level of knowledge, but more students had good attitudes and behaviors, that is 39 people (78%) and 33 people (66%), respectively. There is no relationship between knowledge about solid medical waste with the attitudes and behavior of students in the medical professional education program, with p-values = 0.227 (p> 0.05) and p-values = 0.217 (p> 0.05), respectively.

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Background: Thyroid cancer is the most common endocrine cancer, and its incidence has continuously increased in the last three decades all over the world. The national prevalence of thyroid cancer has not been recorded. Sex, obesity, and the size of thyroid nodules are the risk factors for thyroid cancer. The aim of this study is to acknowledge the characteristics of thyroid cancer patients in Haji Adam Malik General Hospital. Methods: This is a cross-sectional study and carried out among 97 patients with thyroid cancer at Haji Adam Malik General Hospital from 2013 until 2015. Secondary data were obtained by consecutive sampling techniques using medical records. The inclusion criteria are all patients diagnosed with thyroid cancer based on histopathological analysis. Data were analyzed descriptively using SPSS in percentage.Results: From 97 patients with thyroid cancer, it could be concluded that thyroid cancer is the most frequently diagnosed in the age group of 55–64 years (32.0%). Females were predominant that attributed to 71.1% than males (28.9%). The majority of thyroid cancer was diagnosed at stage IV (39.2%) with the most common histopathological feature of papillary thyroid carcinoma (46,4%). Thyroid cancer patients are usually found with normal BMI (37.1%) and nodule thyroid found with the diameter of ≥4cm (47.4%).Conclusions: In the 55–64-year age female group, thyroid cancer is most diagnosed at stage IV with papillary thyroid carcinoma. Thyroid cancer patients are usually found with normal BMI and the nodule size of ≥4 cm.