Medicine
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This repository contains the published and unpublished research of the Faculty of Medicine by the staff members of the faculty
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Item Presentation of disseminated neuroblastoma mimicking Bell’s palsy: a case report(BioMed Central, 2025-01) Gunawardana, S.; Jogaprajahpan, G.; Dayasiri, K.BACKGROUND Neuroblastoma is an embryological malignancy of neural crest cells that may have diverse presentations owing to direct effects, metastases, or paraneoplastic syndromes. Facial nerve palsy is an extremely rare presentation of neuroblastoma.CASE PRESENTATION A previously healthy 1-year-and-10-month-old Sinhalese girl presented with difficulty in closing her left eye for 2 weeks, preceded by deviation of her mouth to opposite side. Initial physical examination was normal, apart from left lower-motor-type facial nerve palsy. Initial laboratory investigations were also normal. A tentative diagnosis of Bell's palsy was made. However, magnetic resonance imaging of the brain was performed owing to the incidental detection of a painless bulge in the left zygomatic region with overlying skin bruising, in the absence of any preceding trauma. Magnetic resonance imaging of the brain revealed a soft-tissue mass in the left lateral orbital wall, extending to the body of the sphenoid and bulging into the left anterior fossa. Contrast-enhanced computed tomography of the abdomen, performed subsequently, showed an intra-abdominal large paravertebral soft-tissue mass. Histology of the abdominal mass confirmed poorly differentiated neuroblastoma.CONCLUSION Facial nerve palsy is well recognized to have a myriad of underlying etiologies, including hematological malignancies, solid tumors, and paraneoplastic syndromes. However, its timely diagnosis is often challenging in the absence of other supportive clinical features. These children need careful and thorough evaluation for malignancies before commencing steroids, especially when underlying malignancy is likely.Item Collodion baby successfully treated with acitretin(Sri Lanka College of Paediatricians, 2024-12) Suwarna, P.; Dayasiri, K.; Nawaratne, D.No abstract availableItem Acute hemolytic crisis complicated with ischemic cardiac injury and methemoglobinaemia following ingestion of naphthalene: a case report(BioMed Central, 2024-12) Dayasiri, K.; Pathiraja, H.; Thadchanamoorthy, V.BACKGROUND Naphthalene is an aromatic hydrocarbon that potentially produces methemoglobinaemia but rarely causes hemolysis, especially in children with underlying glucose-6-phosphate dehydrogenase deficiency. Although ingestion of a single moth ball by an older child may not be life threatening, it can be fatal if ingested by a toddler. CASE PRESENTATION A 2-year-old Singhalese boy developed acute severe hemolysis and methemoglobinaemia following ingestion of a mothball. On admission, the patient was ill and pale. The child was tachycardic and tachypnoiec with oxygen saturation of 76% on air. Blood investigations showed significant anemia, elevated reticulocytes, and evidence of hemolysis in a blood picture, along with elevated lactate dehydrogenase and indirect bilirubin. Child also had ST depressions on electrocardiogram examination with negative troponin-I. He was given four packed red blood cell (PRBC) transfusions and was successfully discharged in 3 days time following optimal supportive treatment. A glucose-6-phosphate dehydrogenase assay confirmed the diagnosis of glucose-6-phosphate dehydrogenase deficiency in this child: 0.9 U/gHb (4.0-13.0 U/gHb).CONCLUSION This case report highlights a rare life-threatening presentation of naphthalene ingestion in a child with previously undiagnosed glucose-6-phosphate dehydrogenase deficiency. Ingestion of even a single moth ball can be fatal in vulnerable children given the altered toxicokinetics of naphthalene in children.Item Epidemiological patterns and trends of paediatric snakebites in Sri Lanka(Biomed Central, 2024-12) Dayasiri, K.; Caldera, D.; Suraweera, N.; Thadchanamoorthy, V.; Hettiarachchi , M.; Denipitiya, T.; Bandara, S.OBJECTIVES This study aimed to analyse the epidemiological patterns of paediatric snake bites in Sri Lanka over a 4-year period (2020-2024).METHODS A multi-centre, retrospective observational study was conducted from June 2020 to June 2024 across nine governmental hospitals in seven provinces of Sri Lanka. Data were collected based on 757 children presenting with snake bites. The snake bites were analysed based on age, gender, and seasonal variations. Data on the type of snake involved, geographic variations and the temporal trends in snake bite occurrences were also analysed.RESULTS The mean age of the 757 children recruited to the study was 10.3 years (SD-5.00, range-0.1-17 years). Males (57.7%) were significantly more affected than females (42.3%) (p < 0.05). Visual identification confirmed the snake species in 58.4% of cases. The hump-nosed viper (16.7%), Russell's viper (14.7%), and common krait (12.9%) were the most common medically important snakes identified in the study. Seasonal peaks in snake bites occurred in May-July and November-December. An increasing trend in snake bite incidence was noted over the first three years, with a slight decline in the final year.CONCLUSION Paediatric snake bites in Sri Lanka show significant age, gender, and seasonal patterns. Targeted public health interventions are needed to mitigate the impact on children.Item Parental knowledge, attitudes and practices regarding safe handling and disposal of alcohol-based hand sanitizers and surface disinfectants in urban Sri Lanka(Ethiopian Pediatric Society, 2024) Dayasiri, K.; Pathiraja, H.; De Soyza, E.K.N.; Thadchanamoorthy, V.; Dassanayaka, S.J.S.INTRODUCTION Hand sanitizers were increasingly used in most households during the COVID-19 pandemic. This study aimed to assess knowledge and practices regarding the safe handling and disposal of alcohol-based hand sanitizers and surface disinfectants in urban Sri Lanka.METHODS A cross-sectional study was performed including parents of children admitted to North Colombo Teaching Hospital for a period of one year in August 2021. Data were collected regarding parental knowledge about the safe handling and disposal of hand sanitizers, and their health hazards by paediatric post-graduate trainees. All data were analyzed using SPSS 17.0. Chi-square test was used to find the association of overall knowledge and attitude scores with potential sociodemographic determining factors.RESULTS A total of 153 parents were recruited. The majority of mothers (126, 82.4%) and fathers (133, 86.9%) had attended up to secondary school. Approximately 113(73.9%) parents believed that pre-school children were the most vulnerable for accidental ingestion of sanitizers and 40 parents (26.1%) did not believe that sanitizer solutions can be accidentally inhaled by toddlers. Only 132 parents (86.2%) knew how to disinfect their home premises safely and 29 parents (18.9%) didn’t know how to store cleaning products safely. Overall, lower knowledge scores correlated with lower maternal education (p<0.05) and lower socio-economic status (p<0.05). The gender (p = 0.06) and age of the parent (>35 years versus <35 years) (p = 0.21) did not show a significant association. Attitude scores positively correlated with parental education (p<0.002) and socio-economic status (p<0.03). The gender (p = 0.12) and age of the parent (>35 years versus <35 years) (p = 0.07) did not show a significant association.CONCLUSION Overall knowledge and attitude scores in parents were associated with education level of parents and the level of socio- economic status. Gender and parental age did not show a significant association.Item Acute pericarditis in a child during the recovery period of multisystem inflammatory syndrome(The Sri Lanka Collage of Paediatricians, 2024) Lokuhewage, C.; Dayasiri, K.No abstract availableItem Management strategies for common viral infections in pediatric renal transplant recipients(Baishideng Publishing Group, 2024) Ranawaka, R.; Dayasiri, K.; Sandamali, E.; Gamage, M.Viral infections have been considered as a major cause of morbidity and mortality after kidney transplantation in pediatric cohort. Children are at high risk of acquiring virus-related complications due to immunological immaturity and the enhanced alloreactivity risk that led to maintenance of high immunosuppressive regimes. Hence, prevention, early detection, and prompt treatment of such infections are of paramount importance. Among all viral infections, herpes viruses (herpes simplex virus, varicella zoster virus, Epstein-Barr virus, cytomegalovirus), hepatitis B and C viruses, BK polyomavirus, and respiratory viruses (respiratory syncytial virus, parainfluenza virus, influenza virus and adenovirus) are common in kidney transplant recipients. These viruses can cause systemic disease or allograft dysfunction affecting the clinical outcome. Recent advances in technology and antiviral therapy have improved management strategies in screening, monitoring, adoption of prophylactic or preemptive therapy and precise treatment in the immunocompromised host, with significant impact on the outcome. This review discusses the etiology, screening and monitoring, diagnosis, prevention, and treatment of common viral infections in pediatric renal transplant recipients.Item Congenital central hypoventilation syndrome: A rare disorder in a neonate(Sri Lanka College of Paediatricians, 2024) Punchihewa, D.S.G.; Fonseka, J.R.; Jayarathne, R.N.; Dayasiri, K.; Sumanasekera, K.H.T.I.; Dayarathna, R.M.A.N.; Nawarathne, M.V.D.No abstract availableItem Presentation of posterior tongue-tie in a young infant mimicking oral candidiasis: A diagnostic challenge(Sri Lanka College of Paediatricians, 2024) Dayasiri, K.; Suraweera, N.; Joyce, J.; Uhlig, U.No abstract availableItem Monkey tapeworm (Bertiella studeri) infection in a toddler(Sri Lanka College of Paediatricians, 2023) Bandara, P.K.B.U.C.; Dayasiri, K.No abstract available
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