Displaying publications 1 - 20 of 55 in total

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  1. Burns-Cox CJ, Prathap K, Clark E, Gillman R
    Trans R Soc Trop Med Hyg, 1969;63(3):409-11.
    PMID: 5815876
    Matched MeSH terms: Calcinosis
  2. Bicchierai G, Nori J, De Benedetto D, Boeri C, Vanzi E, Bianchi S, et al.
    Breast J, 2020 02;26(2):299-302.
    PMID: 31486197 DOI: 10.1111/tbj.13598
    Matched MeSH terms: Calcinosis/pathology
  3. Rupa B, Rao GV, Nageshwar R
    Med J Malaysia, 2005 Jul;60 Suppl B:99-100.
    PMID: 16108186
    Matched MeSH terms: Calcinosis/classification; Calcinosis/diagnosis*; Calcinosis/physiopathology
  4. Arasaratnam S, Abdullah BJJ, Fernandez V
    Med J Malaysia, 1998 Sep;53(3):290-2.
    PMID: 10968170
    We present a case of rare pitfall in the diagnosis of an oesophageal foreign body due to the calcified vertical plate of the cricoid to highlight the need to be aware of this entity to avoid unnecessary morbidity.
    Matched MeSH terms: Calcinosis/diagnosis*; Calcinosis/pathology; Calcinosis/radiography; Calcinosis/surgery
  5. Koh KB
    Med J Malaysia, 1995 Sep;50(3):280-1.
    PMID: 8926910
    A patient who was troubled by the persistent passage of prostatic calculi following transurethral prostatectomy is reported. The pathogenesis of these calculi is postulated.
    Matched MeSH terms: Calcinosis/etiology*; Calcinosis/surgery
  6. Tan CT, Kannan P, Sng KH
    Med J Malaysia, 1980 Dec;35(2):150-4.
    PMID: 7266409
    Matched MeSH terms: Calcinosis/diagnosis*
  7. Zulkifli A
    Med J Malaysia, 1979 Jun;33(4):362-4.
    PMID: 522752
    Matched MeSH terms: Calcinosis/drug therapy; Calcinosis/etiology*
  8. Oon CL
    Med J Malaysia, 1975 Dec;30(2):149-52.
    PMID: 1228381
    Matched MeSH terms: Calcinosis/epidemiology*
  9. Arumugasamy N
    Med J Malaya, 1966 Dec;21(2):140-8.
    PMID: 4227385
    Matched MeSH terms: Calcinosis/radiography*
  10. Arumugasamy N
    Med J Malaya, 1966 Dec;21(2):149-60.
    PMID: 4227386
    Matched MeSH terms: Calcinosis/pathology*
  11. Potić Floranović M, Ristić Petrović A, Stojnev S, Potić M, Petrović F, Janković Veličkovic L
    Malays J Pathol, 2018 Dec;40(3):343-348.
    PMID: 30580367
    INTRODUCTION: There are less than 100 cases of Large-cell calcifying Sertoli cell tumour (LCCSCT) reported in English literature. Most of them are benign, bilateral and affect paediatric population. Malignant cases occur in older patients. LCCSCT is often associated with Carney complex or Peutz-Jaghers syndrome. We present the clinicopathological features of a young adult, with unilateral "stone-like" LCCSCT, without changes in hormonal status and no clinical characteristics of noted genetic disorders.

    CASE REPORT: A 24-year-old male presented with painless hardening of the right testis. There was no gynaecomastia, and serum levels of human chorionic gonadotropin and α-fetoprotein were normal. Ultrasound depicted hyperechogenic, clearly demarcated intratesticular lesion. Partial orchiectomy was performed. Macroscopically, tumour appeared as almost entirely calcified round mass, measuring 10 mm. Histopathological evaluation showed well-circumscribed, unencapsulated tumour composed of massive calcified geographic formations, surrounded with tumour cells. Neoplastic cells were large, polygonal, with abundant eosinophilic cytoplasm, and formed irregular cords, pseudo tubular structures, and nests in a fibrous and myxoid stroma, surrounded with lymphocytes. Other forms of calcification were also present: Needle-like deposits and lamellar, mulberry-like structures. There was no necrosis, mitotic activity and nuclear pleomorphism. Immunohistochemical study was positive for inhibin α and negative for Melan A, EMA, synaptophysin, chromogranin and AFP.

    DISCUSSION: LCCSCT needs to be differentiated from other, more frequent, sex cord stromal tumours. Clinical and genetical evaluation of these patients had to be performed, due to connection of LCCSCT with genetic abnormalities. In evidently benign cases, organ-sparing surgery should be considered for younger patients, followed by long term follow-up.

    Matched MeSH terms: Calcinosis/pathology*; Calcinosis/surgery
  12. Kaur M, Rahimi R, Razali F, Mohd Noor N, Omar E, Abdul Manaf Z, et al.
    Malays J Pathol, 2019 Aug;41(2):177-183.
    PMID: 31427553
    INTRODUCTION: Coronary artery disease (CAD) is a known cause of major cardiovascular events and calcium score (CS) has been developed as a marker of coronary atherosclerosis. Yet, the relationship between post mortem computed tomography (PMCT) CS with histologically observed calcification and the severity of coronary artery stenosis has not been widely explored and is still unclear. This study aims to determine the association between coronary artery PMCT CS with histologically observed calcification and degree of stenosis of coronary arteries in post-mortem cases.

    MATERIALS & METHODS: This was a cross-sectional study involving 101 subjects recruited from the National Institute of Forensic Medicine (IPFN) Hospital Kuala Lumpur (HKL) over a period of 15 months, from December 2012 until April 2014. PMCT CS of the coronary arteries was calculated using Agatston-Janowitz score. Histological presence of calcification was observed and the degree of stenosis was calculated using an image analysis technique.

    RESULTS: PMCT CS increased with increasing severity of stenosis (p<0.001). PMCT CS showed a positive correlation with the presence of calcification (r=-0.82, p<0.001).

    CONCLUSION: Calcium score is strongly associated with coronary artery calcification and the degree of luminal stenosis in post mortem subjects. Thus, PMCT may be useful as a non-invasive tool in diagnosing CAD in the event that an autopsy is not possible.

    Matched MeSH terms: Calcinosis
  13. Che Mohamed SK, Abd Aziz A
    Malays J Med Sci, 2009 Oct;16(4):69-72.
    PMID: 22135515 MyJurnal
    When performing a radiological assessment for a trauma case with associated head injury, a fragment of dense tissue detected near the craniovertebral junction would rapidly be assessed as a fractured bone fragment. However, if further imaging and evaluation of the cervical spine with computerised tomography (CT) did not demonstrate an obvious fracture, then the possibility of ligament calcification would be considered. We present a case involving a previously healthy 44-yearold man who was admitted following a severe head injury from a road traffic accident. CT scans of the head showed multiple intracranial haemorrhages, while scans of the cervical spine revealed a small, well-defined, ovoid calcification in the right alar ligament. This was initially thought to be a fracture fragment. Although such calcification is uncommon, accident and emergency physicians and radiologists may find this useful as a differential diagnosis in patients presenting with neck pain or traumatic head injury.
    Matched MeSH terms: Calcinosis
  14. Cheen Hoe AK, Hamzah F, Abdul Khader MA
    Malays J Med Sci, 2014 Sep-Oct;21(5):75-7.
    PMID: 25977638 MyJurnal
    The detection rate of thyroid incidentalomas is increasing; in fact, as many as 2.3% of patients undergoing FDG PET-CT for other indications have been found to have thyroid incidentalomas. The risk of malignancy in these thyroid incidentalomas can be as high as 47%. The increased uptake and the focal uptake pattern of F-18 fluorodeoxyglucose (FDG) in the thyroid during positron emission tomography (PET)-computed tomography (CT), and the calcification of the thyroid incidentaloma, are associated with even higher risk of malignancy. We report a case of a lady undergoing FDG PET-CT for breast cancer staging but noted to have a calcified thyroid incidentaloma, which was proven to be follicular thyroid carcinoma.
    Matched MeSH terms: Calcinosis
  15. Siar CH, Ng KH
    J Laryngol Otol, 1991 Nov;105(11):971-2.
    PMID: 1722237
    A case is described of ameloblastoma of maxilla presenting with numerous calcified keratin pearls. The significance of cellular variation in relation to the behavioural potential of the ameloblastoma in general is briefly discussed.
    Matched MeSH terms: Calcinosis/pathology
  16. Ng KH, Siar CH
    J Nihon Univ Sch Dent, 1995 Sep;37(3):156-62.
    PMID: 7490609
    Calcifying odontogenic cysts (COCs) represent a group of lesions that may be broadly classified into two main entities: cysts and neoplasms. In the present study 30 non-neoplastic cystic COCs were examined by a quantitative histological method in an attempt to calibrate the relative distribution of the type of epithelial lining, intensity of ghost cell formation and the amount of dentinoid present. The results showed that there are two main types of cystic COC: an odontoma-producing type and a non-odontoma-producing variant. Morphologically, tooth-like structures were a valid distinguishing feature, while morphometrically the odontoma-producing variant showed a greater amount of luminal and mural dentinoid as well as luminal ghost cells. Demographic analysis also revealed that the odontoma-producing COC occurred in younger patients and showed an even sex distribution, whereas the non-odontoma-producing type was seen in older patients and showed a predilection for females. Both subtypes were more prevalent in the Chinese population and occurred preferentially in the maxilla.
    Matched MeSH terms: Calcinosis/pathology
  17. Ng KH, Looi LM, Bradley DA
    Br J Radiol, 1996 Apr;69(820):326-34.
    PMID: 8665132
    X-ray microradiography of surgically excised breast specimens offers the possibility of morphological characterization of calcifications. When combined with digital imaging techniques there exists added potential for obtaining valuable basic quantitative morphometric information regarding differences between microcalcifications in tissues exhibiting evidence of fibrocystic change, benign and malignant tumours. A total of 157 excised breast specimens from 84 patients were microradiographed using a Softex Super Soft X-ray unit and Kodak AA high resolution industrial film. A Quantimet 570C image analysis system was used to digitize and analyse the microradiographs. Of the 157 microradiographs, 51 (from 30 patients) revealed microcalcification clusters. The existence of significant differences between the three identified categories of tissue were indicated by clustering parameters. These included the number of particles per cluster, area of clusters, maximum distance to nearest neighbour, and geometric mean distance to nearest neighbour. The distribution pattern index (DPI), another of the clustering parameters used in this study, has been observed to be a particularly powerful discriminator. The value for fibrocystic change was found to be significantly smaller (0.514) than that for benign tumour (0.796) whilst that for benign tumour was observed to be significantly larger than that for malignant tumour (0.604) at a p-value of less than 0.05 (Kruskal-Wallis one-way analysis of variance).
    Matched MeSH terms: Calcinosis/etiology; Calcinosis/radiography*
  18. Siar CH, Ng KH
    Br J Oral Maxillofac Surg, 1991 Apr;29(2):106-9.
    PMID: 2049349
    The combined epithelial odontogenic tumour represents a hybrid lesion comprising primarily areas of adenomatoid odontogenic tumour intermixed with foci of calcifying epithelial odontogenic tumour. Five such cases retrieved from the files of the Division of Stomatology, Institute for Medical Research, Kuala Lumpur, and four others from the existing literature were analysed. A mean age of 18.8 years, a female preponderance (66.7%) with a male to female ratio of 1:2 and predilection for the mandible (55.6%) were observed. All cases were treated by conservative surgery and the lack of recurrence confirmed the innocuous nature of this lesion.
    Matched MeSH terms: Calcinosis/pathology
  19. Kwan MK, Abdelhai AM, Saw LB, Chan CY
    Spine (Phila Pa 1976), 2012 Dec 15;37(26):E1676-9.
    PMID: 23044619 DOI: 10.1097/BRS.0b013e318276b48c
    Case report.
    Matched MeSH terms: Calcinosis/drug therapy*; Calcinosis/pathology; Calcinosis/radiography
  20. Aris AM, Elegbe EO, Krishna R
    Singapore Med J, 1992 Apr;33(2):204-5.
    PMID: 1621133
    Intubation was difficult and traumatic in a 40-year-old patient presented for emergency oesophagoscopy because the diagnosis of stylohyoid ligament calcification was not suspected. High probability of stylohyoid ligament calcification should be suspected when there is difficulty in lifting the epiglottis and fibre-optic laryngoscopy is suggested as the best way to tackle this problem to prevent trauma and possible risk of regurgitation and aspiration especially in emergency situation.
    Matched MeSH terms: Calcinosis/pathology*
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