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  1. Abdul Kadir RF, Hanafiah M, Johari B, Zainudin LD
    Clin Case Rep, 2021 Oct;9(10):e04847.
    PMID: 34631066 DOI: 10.1002/ccr3.4847
    "Crazy paving" on CT images refers to the superimposition of ground-glass opacity and linear pattern resembling irregularly shaped paving stones. Initially, "crazy paving" was described as a pathognomonic sign of alveolar proteinosis. Subsequently, this pattern has been reported in a variety of disorders of the lung. We demonstrated CT images of lung adenocarcinoma demonstrating both solid and crazy-paving appearances.
  2. Mohamad Isa MZ, Mohamed-Yassin MS, Abdul Kadir RF
    Clin Pract, 2020 Mar 31;10(1):1218.
    PMID: 32373307 DOI: 10.4081/cp.2020.1218
    Necrotizing fasciitis is a severe and progressive infection of deep soft tissues which results in destruction of the fascia and overlying subcutaneous fat. We report a case of a 45-year-old diabetic gentleman who initially presented with left shoulder pain, which was treated symptomatically. Upon representation, he had fever and the pain extended to his left upper back. There was a warm, firm and mildly tender purplish swelling on his mid to the left upper back. Blood tests revealed significantly elevated white cell counts and C-reactive protein. A CT thorax showed extensive soft tissue gas within the deep and superficial fascial layers of his left upper back. Necrotizing fasciitis was confirmed intraoperatively. The diagnosis of this condition is often difficult as early symptoms can be mild and nonspecific. A high Laboratory Risk Indicator for NECrotizing fasciitis (LRINEC) score may be helpful to rule in this diagnosis and guide further management.
  3. Johari B, Abdul Kadir RF, Abd Ghani F, Peter AB
    Respirol Case Rep, 2021 Jun;9(6):e00764.
    PMID: 33976893 DOI: 10.1002/rcr2.764
    It has recently been recognized that the clinical course of coronavirus disease 2019 (COVID-19) and secondary organizing pneumonia (OP) tend to follow a subacute progression of respiratory illness. We present images of radiological progression of COVID-19 pneumonia and secondary OP.
  4. Johari B, Khor BH, Musa AN, Abdul Kadir RF
    Respirol Case Rep, 2022 Mar;10(3):e0911.
    PMID: 35223042 DOI: 10.1002/rcr2.911
    Tuberculosis (TB) is a common disease which is still endemic in many countries including Malaysia. Acquired cystic lung disease is a rare complication of post-TB infection. We aim to describe two cases of young patients who developed cystic lung disease during treatment for TB, which were further complicated with recurrent pneumothorax. We reiterate the need to consider TB in the differential diagnoses of cystic lung disease in the appropriate clinical context.
  5. Abd Aziz NAW, Iezhitsa I, Agarwal R, Abdul Kadir RF, Abd Latiff A, Ismail NM
    Neurol Res, 2020 Mar;42(3):189-208.
    PMID: 32013788 DOI: 10.1080/01616412.2020.1716470
    Objective:Trans-resveratrol has been shown to have neuroprotective effects and could be a promising therapeutic agent in the treatment of intracerebral haemorrhage (ICH). This study aimed to investigate the involvement of the adenosine A1 receptor (A1R) in trans-resveratrol-induced neuroprotection in rats with collagenase-induced ICH.Methods: Sixty male Sprague-Dawley rats weighing 330-380 g were randomly divided into five groups (n = 12): (i) control, (ii) sham-operated rats, (iii) ICH rats pretreated with vehicle (0.1% DMSO saline, i.c.v.), (iv) ICH rats pretreated with trans-resveratrol (0.9 µg, i.c.v.) and (v) ICH rats pretreated with trans-resveratrol (0.9 µg) and the A1R antagonist, DPCPX (2.5 µg, i.c.v.). Thirty minutes after pretreatment, ICH was induced by intrastriatal injection of collagenase (0.04 U). Forty-eight hours after ICH, the rats were assessed using a variety of neurobehavioural tests. Subsequently, rats were sacrificed and brains were subjected to gross morphological examination of the haematoma area and histological examination of the damaged area.Results: Severe neurobehavioural deficits and haematoma with diffuse oedema were observed after intrastriatal collagenase injection. Pretreatment with trans-resveratrol partially restored general locomotor activity, muscle strength and coordination, which was accompanied with reduction of haematoma volume by 73.22% (P < 0.05) and damaged area by 60.77% (P < 0.05) in comparison to the vehicle-pretreated ICH group. The trans-resveratrol-induced improvement in neurobehavioural outcomes and morphological features of brain tissues was inhibited by DPCPX pretreatment.Conclusion: This study demonstrates that the A1R activation is possibly the mechanism underlying the trans-resveratrol-induced neurological and neurobehavioural protection in rats with ICH.
  6. Lim GY, Wong YS, Tawil Z, Abdul Kadir RF, Ramanathan A, Natasya Musa A
    Respirol Case Rep, 2023 May;11(5):e01133.
    PMID: 37032709 DOI: 10.1002/rcr2.1133
    Krukenberg tumours are unusual metastatic tumours of the ovary with primary tumours from the stomach, breast and gastrointestinal malignancies. Krukenberg tumour from pulmonary malignancy represents an extremely rare situation. This is an elaboration of a case of young women with Krukenberg tumour rising from lung adenocarcinoma. A 38-year-old woman presented with progressive abdominal distention for the past 2-years. Computed tomography (CT) of thorax, abdomen and pelvis revealed a huge ovarian mass with left lung nodules and left-sided pleural effusion. A detailed immunohistochemical staining on pleural fluid cytology confirmed the diagnosis of metastatic adenocarcinoma of lung origin. She underwent doublet platinum chemotherapy as molecular testing for oncogenic mutation was negative. The patient responded well to chemotherapy with a significant reduction in ovarian tumour size. Early identification of the primary source of Krukenberg tumour is paramount to avoid invasive diagnostic surgical intervention for ovarian metastasis.
  7. Lim SC, Md-Yusof YL, Johari B, Abdul-Kadir RF, Tang SP
    Turk J Pediatr, 2021;63(5):743-751.
    PMID: 34738356 DOI: 10.24953/turkjped.2021.05.002
    BACKGROUND: Neuropsychiatric lupus (NPSLE) serves as a marker of severe disease in children with juvenile onset systemic lupus erythematosus (JSLE). This study aims to characterise the clinical and imaging features at diagnosis; and outcomes after 12 months in Malaysian children with NPSLE.

    METHODS: A retrospective study of all NPSLE patients seen at the Pediatric Rheumatology Unit, Selayang Hospital from January 2004 to May 2017.

    RESULTS: Twenty-eight (19.8%) of 141 JSLE patients had NPSLE with a median presenting age of 10 years (IQR 9 - 12), median follow-up of 7 years (IQR 4 - 11) and female: male ratio of 3.7:1. Twenty-three patients had single episodes of NPSLE and five patients had two distinct episodes each. The mean disease activity score (SLEDAI- 2K) was 24.9±11.8 at presentation with 81.8% having high disease activity (score > 12). Majority (60.6%) present with NPSLE within the first year of SLE diagnosis whilst the remainder occurred at a median of five years (IQR 3-7) post-SLE diagnosis. Majority (75.8%) had central nervous system (CNS) involvement commonly presenting with seizures, delirium and visual complaints whilst 24.2% had peripheral nervous system (PNS) involvement. Frequent accompanying features included hypocomplementemia, acute cutaneous lupus and lupus nephritis. Autoantibodies were common; ANA (100%), anti-dsDNA (78.8%) anti-RNP (39.4%) and anti-Sm (39.4%). Abnormalities were seen in 85.7% of the magnetic resonance imaging (MRI) studies performed, predominantly supratentorial white matter hyperintensities on T2 images whilst cerebrospinal fluid examination was normal in the majority. All patients with CNS involvement received corticosteroids with immunosuppressive therapy: Cyclophosphamide (20), Rituximab (2). Treatment for PNS involvement included corticosteroids with Azathioprine (6) or Mycophenolate mofetil (2). At 12 months post-NPSLE, majority (85.7%) recovered without any neurological sequelae.

    CONCLUSIONS: Juvenile-onset NPSLE presents with a myriad of clinical features. It is associated with high disease activity and non-specific MRI features. With early diagnosis and treatment, the majority had good prognosis.

  8. Hanafiah M, Johari B, Abdul Kadir RF, Bakar NS, Baharuddin H
    Clin Case Rep, 2020 Dec;8(12):3565-3566.
    PMID: 33363980 DOI: 10.1002/ccr3.3206
    Cysts are a common finding of lymphocytic interstitial pneumonia (LIP) on imaging. Usually, they are limited in number and size. Tiny and numerous cysts of peribronchovascular distribution are less typical but a recognized appearance in LIP.
  9. Mohd Nasir MZ, Malek KA, Isa MR, Hamdan MF, Abdul Kadir RF, Ahmad F, et al.
    Int J Clin Pract, 2021 Sep;75(9):e14445.
    PMID: 34105862 DOI: 10.1111/ijcp.14445
    AIMS: Our study aimed to investigate the association between elevated carotid-intima media thickness (CIMT) and serum uric acid (SUA) levels in hypertensive patients attending primary care clinics in Sungai Buloh, Malaysia.

    METHODS: We conducted a cross-sectional study on 140 hypertensive patients attending outpatient follow-up in two primary care clinics in Sungai Buloh, Malaysia, using a convenient sampling method. SUA levels were measured and divided into four quartiles. Two radiologist specialists performed B mode ultrasonography to assess the thickness of the right and left carotid intima media in all participants.

    RESULTS: Participants' mean SUA level was 355.75 ± 0.13. Their mean age was 53.44 (± 9.90), with a blood pressure control of 137.09 ± 13.22/81.89 ± 8.95. Elevated CIMT taken at ≥75th percentile was 0.666 for the left and 0.633 for the right common carotid arteries. By using a hierarchical method of multiple logistic regression, compared with the first quartile of the SUA level as reference group, the odd of elevated CIMT in quartile 4 in the common carotid artery was (OR = 2.00; 95% CI = 0.64-6.27, P = .576) for the right and (OR = 0.62; 95% CI = 0.20-2.00, P = .594) for the left. Waist circumference (P = .001), body mass index (P = .013), triglycerides (P 

  10. Chai CS, Bin Ibrahim MA, Binti Azhar NA, Binti Roslan Z, Binti Harun R, Krishnabahawan SL, et al.
    Sci Rep, 2024 Jul 16;14(1):16413.
    PMID: 39013943 DOI: 10.1038/s41598-024-67536-2
    Understanding the prevalence of abnormal lung function and its associated factors among patients recovering from COVID-19 is crucial for enhancing post-COVID care strategies. This study primarily aimed to determine the prevalence and types of spirometry abnormalities among post-COVID-19 patients in Malaysia, with a secondary objective of identifying its associated factors. Conducted at the COVID-19 Research Clinic, Faculty of Medicine, University Technology MARA, from March 2021 to December 2022, this study included patients at least three months post-discharge from hospitals following moderate-to-critical COVID-19. Of 408 patients studied, abnormal spirometry was found in 46.8%, with 28.4% exhibiting a restrictive pattern, 17.4% showing preserved ratio impaired spirometry (PRISm), and 1.0% displaying an obstructive pattern. Factors independently associated with abnormal spirometry included consolidation on chest X-ray (OR 8.1, 95% CI 1.75-37.42, p = 0.008), underlying cardiovascular disease (OR 3.5, 95% CI 1.19-10.47, p = 0.023), ground-glass opacity on chest X-ray (OR 2.6, 95% CI 1.52-4.30, p 
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