1.Hereditary versus sporadic medullary thyroid carcinoma: A single tertiary centre cohort study
Qin Zhi Lee ; Raja Nurazni Raja Azwan ; Chin Voon Tong ; Zanariah Hussein
Journal of the ASEAN Federation of Endocrine Societies 2026;41(S1):9-
Introduction:
Medullary thyroid carcinoma (MTC) comprises sporadic and hereditary forms, the latter commonly associated with
multiple endocrine neoplasia type 2 (MEN2) which is identifiable through genetic screening of germline RET protooncogene. We compared the clinicopathological features and outcomes of hereditary and sporadic MTC in our single
centre.
Methodology:
We conducted a retrospective audit of patients with MTC from 2000 to 2026. Patients were classified as either hereditary
or sporadic based on genetic testing and/or family history of MTC/MEN2A syndrome. Variables analyzed included age
at diagnosis, mode of presentation, pre-operative calcitonin, tumor size, lymph node (LN) involvement, post-operative
biochemical cure, repeat surgery and presence of structural residual/recurrent disease.
Results:
A total of 57 patients were included (18 hereditary [31.6%], 39 presumed sporadic [68.4%]) with a median follow-up of
7.5 years (IQR 1.5–12.4). Hereditary MTC was diagnosed at a significantly younger age than sporadic MTC (33.0 vs. 44.7
years, p = 0.010) where 33% of the cases were diagnosed via screening detection whereas sporadic MTC more commonly
presented with symptomatic neck swelling (84.6% vs. 50.0%, p = 0.008). There were no significant differences in median
pre-operative calcitonin (513.5 vs. 1148.0 pg/mL, p = 0.101), tumor size (24.5 vs. 22.5 mm, p = 0.301), or LN involvement
(41.7% vs. 61.5%, p = 0.307) between hereditary and sporadic MTC. Long-term outcomes were also comparable, with
no differences in biochemical status, need for repeat surgery or residual/recurrent structural disease.
Conclusion
Hereditary MTC presents earlier and is more frequently detected due to screening, whereas sporadic MTC often presents
symptomatically. Long-term outcomes are not primarily determined by hereditary status alone. Early access to RET
mutation testing with a view to initiating prophylactic treatments rather than post detection surgery may improve
disease burden.
Thyroid Neoplasms
;
Cohort Studies
2.Silent Adrenal Mass With Diagnostic Challenge: A Case of Huge Non-Functioning Adrenal Lesion Mimicking Malignancy
Sarojini Devi Simanchalam ; Hamizah Hamzah ; Lee Qin Zhi ; Poh Shean Wong ; Chin Voon Tong ; Tiang Koi Ng ; Nor Afidah Karim ; Noor Lita Adam
Journal of the ASEAN Federation of Endocrine Societies 2026;41(S1):24-
Introduction:
Adrenal incidentalomas are increasingly detected with
the widespread use of imaging, whereby the large or
heterogeneous lesions often raise concern for adrenocortical carcinoma (ACC). However, certain rare benign and infectious conditions may closely mimic malignant
features, posing a diagnostic challenge.
Case:
A 64-year-old female with diabetes mellitus, hypertension,
and dyslipidemia was noted to have progressively rising
alkaline phosphatase during routine follow-up. She had
non-specific gastrointestinal symptoms. A computed
tomography abdomen pelvis showed a large, lobulated
mass at the left flank, likely of adrenal origin. An adrenal
protocol computed tomography revealed a large,
heterogeneously enhancing left suprarenal mass measuring
10.7 × 10.3 × 10.7 cm, with a plain-phase attenuation of +81
Hounsfield Unit and absolute (28%) and relative (18%)
washout. The right adrenal gland was normal, with no
evidence of distant metastasis.
Hormonal evaluation showed normal 24-hour urinary
metanephrines, excluding pheochromocytoma. The
overnight dexamethasone suppression test demonstrated
cortisol of 89 nmol/L, suggestive of mild autonomous
cortisol secretion, without clinical features of overt
hypercortisolism. DHEA was low (0.371 µmol/L), and
adrenocorticotropic hormone was suppressed (1.26 pg/mL).
Evaluation for primary aldosteronism was not done due
to the absence of resistant hypertension or hypokalemia.
The gonadotropin profile was consistent with postmenopausal status (follicle-stimulating hormone (89 IU/L)
and luteinizing hormone (28.9 IU/L) with low estradiol.
The patient underwent open left adrenalectomy. Histopathology revealed an adrenal cavernous hemangioma
with extensive hemorrhage and infarction, alongside
necrotizing granulomatous inflammation with numerous
intracellular fungal organisms and narrow-based budding
yeast forms, highly suggestive of histoplasmosis, with
no evidence of malignancy. She was subsequently comanaged with infectious disease team and commenced on
intravenous amphotericin B.
Conclusion
This is a rare coexistence of an adrenal hemangioma
and histoplasmosis, presenting as a large adrenal
mass mimicking ACC. The limitations of imaging in
differentiating benign from malignant adrenal lesions
are revealed and emphasize the role of histopathological
confirmation. Increased awareness of such entities can
support the diagnosis and management.
Neoplasms
3.Recurrent Diabetic Ketoacidosis: Predictors and Clinical Outcomes in a 24-Year Retrospective Cohort
Liang Wei Wong ; Lisa Mohamed Nor ; Raja Nurazni binti Raja Azwan ; Adilah Zulaikha binti Abd Latib ; Hidayatil Alimi bin Keya Nordin ; Qin Zhi Lee ; Kean Heng Lim ; Jia Ling Low ; Mohd Fyzal bin Bahrudin ; Syaza binti Izhar Hisham ; Jia Whey Jacelyn Ong ; Chin Voon Tong
Journal of the ASEAN Federation of Endocrine Societies 2026;41(S1):33-34
Introduction:
Diabetic ketoacidosis (DKA) is a life-threatening complication associated with significant morbidity and healthcare
burden. Despite advances in diabetes care, recurrent
DKA remains common, often reflecting gaps in treatment
adherence and patient education. Identifying predictors
of recurrence is crucial for risk stratification and targeted
intervention.
Methodology:
We conducted a retrospective observational study of all
adult DKA admissions to a tertiary centre between 2001
and 2025. Electronic medical records were reviewed for
demographic data, biochemical parameters, precipitating
factors, and clinical outcomes. DKA was defined using standard biochemical criteria. Recurrent DKA was defined as ≥2 admissions during the study period. Factors associated
with recurrent DKA admissions were analyzed. Patients
under the age of 18 years and those with missing vital
information were excluded.
Results:
A total of 667 DKA admissions, comprising 566 patients,
were identified, of which 101 admissions (15.1%) were
recurrent, involving 65 patients. Among recurrent DKA
episodes, the most common precipitating factors were
infection (64.4%) and insulin omission (62.4%). After
multivariate analyses, patients with type 1 diabetes
mellitus (T1DM) were more likely to develop recurrent
DKA compared to those with type 2 diabetes mellitus
(aOR 4.16; 95% confidence interval [CI] 2.58–6.70; p <0.001).
Insulin omission was strongly associated with recurrent
DKA (aOR 2.29; 95% CI 1.46–3.60; p <0.001). In contrast,
baseline glycated hemoglobin and chronic kidney disease
were not significantly associated with recurrence. Diabetic
counseling during the first DKA admission did not reduce
recurrent DKA. There were no significant differences in
mortality (3.9% vs 6.2%, p = 0.524) or critical care admission
rates (40.6% vs 38.7%, p = 0.718) between recurrent and first
DKA episodes.
Conclusion
Recurrent DKA accounts for a substantial proportion of
DKA admissions and is strongly associated with insulin
omission and T1DM. Our findings suggest that recurrent
DKA is driven predominantly by behavioral and adherencerelated factors, indicating the need for multidisciplinary
interventions beyond standard inpatient counseling.
Diabetic Ketoacidosis
;
Retrospective Studies
4.Clinical and Biochemical Characteristics of Adult Diabetic Ketoacidosis: T1DM vs. T2DM
Mohd Fyzal Bahrudin ; Chin Voon Tong ; Raja Nurazni Raja Azwan ; Adilah Zulaikha Abd Latib ; idayatil Alimi Keya Nordin ; Qin Zhi Lee ; Kean Heng Lim ; Jia Ling Low ; Syaza Izhar Hisham ; Liang Wei Wong ; Jia Whey Jacelyn Ong ; Lisa Mohamed Nor ; Zanariah Hussein
Journal of the ASEAN Federation of Endocrine Societies 2026;41(S1):39-40
Introduction:
The rising incidence of diabetic ketoacidosis (DKA) in type 2
diabetes mellitus (T2DM) represents a paradigm shift from
its traditional recognition as a hallmark complication of
type 1 diabetes mellitus (T1DM). However, contemporary
data comparing clinical presentation, precipitating factors,
and outcomes between these two populations remain
limited.
Methodology:
In this retrospective observational study, all adult DKA
admissions with T1DM or T2DM at a tertiary centre between
2001 and 2025 were studied. DKA was defined according
to standard biochemical criteria. Electronic medical records were reviewed to extract demographic data, biochemical
parameters, precipitating factors, management details, and
clinical outcomes of all adult DKA admission in T1DM and
T2DM. Patients aged <18 years or those with incomplete
data were excluded.
Results:
A total of 601 DKA episodes were analyzed, comprising
130 (21.6%) in patients with T1DM and 471 (78.4%) in those
with T2DM. Mean age was 26.9 ± 0.71 years for T1DM and
52.1 ± 0.7 years for T2DM. Gender distribution was balanced
(male 48.3%, female 51.7%). Mean hemoglobin A1c (HbA1c)
was 11.3 ± 0.3% in T1DM and 12.1 ± 0.2% in T2DM. Infection
was the most common precipitating factor overall (69.0%),
occurring more frequently in T2DM than in T1DM (74.7%
vs. 56.2%), followed by medication non-adherence (62.4%
vs. 43.8%). Significant differences were observed between
groups in admission pH, bicarbonate (both p <0.001), blood
ketones (p = 0.028), and HbA1c (p = 0.010), whereas anion
gap (p = 0.056) and blood glucose levels (p = 0.755) did not
differ significantly. Clinical outcomes were comparable
with respect to intensive care unit (ICU) admission rates
(40.0% in T1DM vs. 39.0% in T2DM, p = 0.779) and median
resolution time (p = 0.462). However, the median length of
hospital stay was significantly longer in T2DM (8.2 ± 0.32
vs. 5.4 ± 0.4 days; p <0.001). Overall mortality was 6.0%,
with substantially higher mortality in T2DM compared to
T1DM (7.4% vs. 0.8%, p = 0.013).
Conclusion
In this large regional series of adult DKA, most episodes
occurred in T2DM. Despite similar ICU admission rates
and time to resolution, T2DM was associated with more
frequent infection-related precipitants, longer hospital
stays, and higher mortality, underscoring the need for
targeted preventive strategies in this population.
Adult
;
Diabetes Mellitus, Type 1
;
Diabetic Ketoacidosis
;
Diabetes Mellitus, Type 2
5.EPOSTER • DRUG DISCOVERY AND DEVELOPMENT
Marwan Ibrahim ; Olivier D LaFlamme ; Turgay Akay ; Julia Barczuk ; Wioletta Rozpedek-Kaminska ; Grzegorz Galita ; Natalia Siwecka ; Ireneusz Majsterek ; Sharmni Vishnu K. ; Thin Thin Wi ; Saint Nway Aye ; Arun Kumar ; Grace Devadason ; Fatin Aqilah Binti Ishak ; Goh Jia Shen ; Dhaniya A/P Subramaniam ; Hiew Ke Wei ; Hong Yan Ren ; Sivalingam Nalliah ; Nikitha Lalindri Mareena Senaratne ; Chong Chun Wie ; Divya Gopinath ; Pang Yi Xuan ; Mohamed Ismath Fathima Fahumida ; Muhammad Imran Bin Al Nazir Hussain ; Nethmi Thathsarani Jayathilake ; Sujata Khobragade ; Htoo Htoo Kyaw Soe ; Soe Moe ; Mila Nu Nu Htay ; Rosamund Koo ; Tan Wai Yee ; Wong Zi Qin ; Lau Kai Yee ; Ali Haider Mohammed ; Ali Blebil ; Juman Dujaili ; Alicia Yu Tian Tan ; Cheryl Yan Yen Ng ; Ching Xin Ni ; Michelle Ng Yeen Tan ; Kokila A/P Thiagarajah ; Justin Jing Cherg Chong ; Yong Khai Pang ; Pei Wern Hue ; Raksaini Sivasubramaniam ; Fathimath Hadhima ; Jun Jean Ong ; Matthew Joseph Manavalan ; Reyna Rehan ; Tularama Naidu ; Hansi Amarasinghe ; Minosh Kumar ; Sdney Jia Eer Tew ; Yee Sin Chong ; Yi Ting Sim ; Qi Xuan Ng ; Wei Jin Wong ; Shaun Wen Huey Lee ; Ronald Fook Seng Lee ; Wei Ni Tay ; Yi Tan ; Wai Yew Yang ; Shu Hwa Ong ; Yee Siew Lim ; Siddique Abu Nowajish ; Zobaidul Amin ; Umajeyam Anbarasan ; Lim Kean Ghee ; John Pinto ; Quek Jia Hui ; Ching Xiu Wei ; Dominic Lim Tao Ran ; Philip George ; Chandramani Thuraisingham ; Tan Kok Joon ; Wong Zhi Hang ; Freya Tang Sin Wei ; Ho Ket Li ; Shu Shuen Yee ; Goon Month Lim ; Wen Tien Tan ; Sin Wei Tang
International e-Journal of Science, Medicine and Education 2022;16(Suppl1):21-37
6.Yemen’s Cholera Epidemic Is a One Health Issue
Qin Xiang NG ; Michelle Lee Zhi Qing DE DEYN ; Wayren LOKE ; Wee Song YEO
Journal of Preventive Medicine and Public Health 2020;53(4):289-292
Yemen has been faced with the worst cholera epidemic of modern times, with more than 1 million suspected cases and 3000 deaths at the time of writing. This problem is largely due to the longstanding civil war between pro-government forces and the Houthi armed movement, which has severely damaged already vulnerable sanitation and healthcare facilities and systems in the country. It is further compounded by a dire lack of basic amenities, chronic malnutrition, and unfavourable weather conditions. Another contributory component may be aerial transfer by cholera-infected chironomid insects. To contain the spread of cholera in Yemen, a nation-wide armistice should be negotiated, and national and local committees must be convened to coordinate efforts on the ground. Community isolation facilities with proper sanitation, reliable disposal systems, and a clean water supply should be set up to isolate and treat sick patients. The continuity of vaccination programmes should be ensured. Public health campaigns to educate local communities about good hygiene practices and nutrition are also necessary. The One Health paradigm emphasizes a multi-sectoral and transdisciplinary understanding and approach to prevent and mitigate the threat of communicable diseases. This paradigm is highly applicable to the ongoing cholera crisis in Yemen, as it demands a holistic and whole-of-society approach at the local, regional, and national levels. The key stakeholders and warring parties in Yemen must work towards a lasting ceasefire during these trying times, especially given the extra burden from the mounting severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) outbreak worldwide.
7.Best practices on immunomodulators and biologic agents for ulcerative colitis and Crohn's disease in Asia
Choon Jin OOI ; Ida HILMI ; Rupa BANERJEE ; Sai Wei CHUAH ; Siew Chien NG ; Shu Chen WEI ; Govind K MAKHARIA ; Pises PISESPONGSA ; Min Hu CHEN ; Zhi Hua RAN ; Byong Duk YE ; Dong Il PARK ; Khoon Lin LING ; David ONG ; Vineet AHUJA ; Khean Lee GOH ; Jose SOLLANO ; Wee Chian LIM ; Wai Keung LEUNG ; Raja Affendi Raja ALI ; Deng Chyang WU ; Evan ONG ; Nazri MUSTAFFA ; Julajak LIMSRIVILAI ; Tadakazu HISAMATSU ; Suk Kyun YANG ; Qin OUYANG ; Richard GEARY ; Janaka H DE SILVA ; Rungsun RERKNIMITR ; Marcellus SIMADIBRATA ; Murdani ABDULLAH ; Rupert WL LEONG ;
Intestinal Research 2019;17(3):285-310
The Asia-Pacific Working Group on inflammatory bowel disease (IBD) was established in Cebu, Philippines, under the auspices of the Asian Pacific Association of Gastroenterology with the goal of improving IBD care in Asia. This consensus is carried out in collaboration with Asian Organization for Crohn's and Colitis. With biologic agents and biosimilars becoming more established, it is necessary to conduct a review on existing literature and establish a consensus on when and how to introduce biologic agents and biosimilars in the conjunction with conventional treatments for ulcerative colitis (UC) and Crohn's disease (CD) in Asia. These statements also address how pharmacogenetics influence the treatments of UC and CD and provide guidance on response monitoring and strategies to restore loss of response. Finally, the review includes statements on how to manage treatment alongside possible hepatitis B and tuberculosis infections, both common in Asia. These statements have been prepared and voted upon by members of IBD workgroup employing the modified Delphi process. These statements do not intend to be all-encompassing and future revisions are likely as new data continue to emerge.
Adalimumab
;
Asia
;
Asian Continental Ancestry Group
;
Biological Factors
;
Biosimilar Pharmaceuticals
;
Colitis
;
Colitis, Ulcerative
;
Consensus
;
Cooperative Behavior
;
Crohn Disease
;
Gastroenterology
;
Hepatitis B
;
Humans
;
Immunologic Factors
;
Inflammatory Bowel Diseases
;
Infliximab
;
Pharmacogenetics
;
Philippines
;
Practice Guidelines as Topic
;
Tuberculosis
;
Ulcer
8.Chemical Constituents from Leaves of Acanthopanax henryi (II).
Zhi LI ; Xiao Jun LI ; Ok Kyoung KWON ; Xiang WANG ; Qin Peng ZOU ; Xiang Qian LIU ; Hyeong kyu LEE
Natural Product Sciences 2015;21(3):196-204
Nineteen compounds, including one organic acid (1), one anthraquinone (2), one amide (3), and sixteen triterpenoid saponins (4 - 19) were isolated from the leaves of Acanthopanax henryi (Oliv.) Harms (Araliaceae). Their structures were determined on the basis of physicochemical properties and spectral analyses (HR-MS and NMR). Among them, compounds 2, 3, 7, 12 and 19 were new within Araliaceae. Compounds 4, 5, 9 - 11, 13, 14, 16 and 18 were reported for the first time from the Acanthopanax genus. Except for compounds 4 and 9, other compounds were isolated from A. henryi (Oliv.) Harms for the first time. The rare anthraquinone, compound 2, significantly decreased the production of NO and the levels of other inflammatory factors, such as TNF-alpha and IL-6, in lipopolysaccharide (LPS)-stimulated macrophages in a dose-dependent manner. This is the first time to report anti-inflammatory effect of this compound.
Eleutherococcus*
;
Araliaceae
;
Interleukin-6
;
Macrophages
;
Nitric Oxide
;
Saponins
;
Tumor Necrosis Factor-alpha
9.Cloning and Sequencing of Envelope Gene of Subgroup J Avian Leukosis Virus
Ai-jian, QIN ; Zhi-zhong, CUI ; Lee, LUCY ; Fadly, ALY
Virologica Sinica 2001;16(1):68-73
The envelope gene of ADOL-4817 strain of avian leukosis viru s subgroup J (ALV-J) was amplified by polymerase chain reaction (PCR) and clo ned into TA vector. The sequence analysis results showed that the envelope gene is composed of 1?746 bp, 1?554 bp of which could be translated into 517 amino acids for gp85 and gp37. The molecular weight of envelope protein is 57.7kD. T here are 15 potential glycosylation sites in the envelope protein, 13 of which i s located in gp85. Analysis of sequences of envelope gene indicate that ADOL -4817 showed high degree of sequence identity to other ALV-J strains, and m ost close ly related to the like-envelope gene of endogenous virus EAV-HP but divergent from these of other ALV subgroup A-E . These data support the hypothesis that envelope gene of avian leukosis virus subgroup J maybe acquired by recombination with expressed sequences.


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