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A case of Multisystem Inflammatory Syndrome in adults in Malaysia

Seow CK, Gan WF, Zaidan NZ

Med J Malaysia, 2022 01;77(1):121-124.
PMID: 35087012

Multisystem Inflammatory Syndrome in Adults (MIS-A) is a rare but potentially life-threatening complication following SARS-CoV-2 infection. We present a Malaysian case of MISA in a 45 year old gentleman who developed cardiogenic shock following a mild SARS-CoV-2 infection.
Mucormycosis: A Case Series

Yong JY, Chong KL, Gan WF, Zaidan NZ

Cureus, 2023 Jul;15(7):e41375.
PMID: 37546065 DOI: 10.7759/cureus.41375

Mucormycosis is a potentially life-threatening invasive fungal infection caused by diverse fungal organisms in the order Mucorales. Traditional risk factors of mucormycosis include poorly controlled diabetes, hematological malignancies such as leukemia and lymphoma, and post-transplant patients, with rhino-orbito-cerebral and pulmonary mucormycosis as common manifestations. We report four cases of mucormycosis precipitated by classical as well as atypical risk factors, with common sites of infection such as pulmonary and rhino-orbital to rare manifestations such as peritoneal mucormycosis. Diagnoses were confirmed by either a histopathological sample or a positive culture. Only one patient had concomitant positive culture and histopathology results. Low culture positivity rate has delayed the diagnosis of two cases. First-line antifungal therapy was limited to amphotericin B deoxycholate in three cases due to financial cost, but all patients responded to the treatment. There were two mortalities, but both were unrelated to disease progression. All cases had source control done, except for the patient with pulmonary mucormycosis, due to poor lung reserve which refrained him from surgery. With emerging evidence of local therapies for endobronchial lesions, they potentially serve as an alternative for patients who are not suitable for operation. This case series also aims to contribute to the local epidemiology of mucormycosis, highlights the importance of early diagnosis, and draws attention from stakeholders to the challenges faced in managing this life-threatening infection.
Fulltext Spontaneous Regression of Epstein-Barr Virus-Positive Diffuse Large B-cell Lymphoma in an HIV-Positive Patient: A Case Report and Literature Review

Khaw ELY, Gan WF, Zaidan NZ

Cureus, 2024 Mar;16(3):e55790.
PMID: 38586647 DOI: 10.7759/cureus.55790

Individuals infected with human immunodeficiency virus (HIV) have a greater risk of developing malignancies, including both acquired immunodeficiency syndrome (AIDS)-defining malignancies as well as many non-AIDS-defining cancers. Several factors contribute to the increased incidence of malignancies in this population such as the direct effects of HIV itself, immune deficiency, co-infection with oncogenic viruses, environmental factors, and the effects of combination antiretroviral therapy (cART). The improvement of the immune response following the introduction of cART results in a better response to conventional therapies for malignancies, including chemotherapy, radiotherapy, and surgery. Significant disparities still exist in cancer treatment for people living with HIV and afflicted with cancers compared to those without HIV, with many in the former group not receiving any cancer treatment at all. We report a rare case whereby a newly diagnosed HIV-infected patient with Epstein-Barr virus-positive diffuse large B-cell lymphoma showed spontaneous regression of the lymphoma with the introduction of cART alone without any treatment of the cancer itself. We reviewed similar cases described in the literature and examined the possible explanations for this phenomenon.
Hemophagocytic Lymphohistiocytosis: A Case Series From a Tertiary State Hospital in Malaysia and a Review of Current Literature

Khaw JY, Gan WF, Chong HC, Lau NS, Wan Yusof WA

Cureus, 2024 Jun;16(6):e61636.
PMID: 38966453 DOI: 10.7759/cureus.61636

INTRODUCTION: Hemophagocytic lymphohistiocytosis (HLH) is a lethal emergency. Delays in diagnosis and treatment are detrimental to the health of patients. Classical clinical manifestations of HLH include fever, cytopenia, liver dysfunction, central nervous system involvement, and coagulopathy.
METHODS: We report seven cases of secondary HLH in adults diagnosed from a total of 1200 bone marrow aspiration and trephine biopsy (BMAT) examinations in our center, with various presentations and underlying triggers including infection, malignancy, and autoimmune disease.
RESULTS: HLH can present with non-specific signs and symptoms.
CONCLUSION: Early recognition of HLH is crucial to enable the commencement of therapy as early as possible to prevent mortality resulting from multi-organ failure.