Displaying publications 1 - 20 of 32 in total

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  1. Vallonthaiel AG, Walia R, Pramanik R, Sharma MC, Jain D
    Malays J Pathol, 2017 Aug;39(2):175-179.
    PMID: 28866701
    p40, one of the two isomers of p63, is nowadays widely used for diagnosis of squamous cell carcinoma, especially in subtyping non-small cell carcinoma on lung biopsies. We describe a case in which lung tumour was misdiagnosed as squamous cell carcinoma due to p40 immunopositivity. A 36-year-old lady presented with cough and left sided chest pain of 2 months duration. Chest imaging revealed a lesion in left lower lobe of the lung and biopsy was suggestive of squamous cell carcinoma. However, past history revealed amputation of great toe for non-healing discharging ulcer which on histopathology was diagnosed as choriocarcinoma. She also had a history of hysterectomy five years ago, details of which were not available. Post-amputation β-hCG levels were high and she had been treated with multimodality chemotherapy for choriocarcinoma. She had good response to chemotherapy initially, however became resistant later on. Review of the lung biopsy in the light of the past history along with extensive literature review led to the final diagnosis of metastatic trophoblastic tumour to lung. Hence, awareness that p40 immunopositivity can be seen in trophoblastic tumours is essential to avoid misdiagnosis, especially in sites like the lung where squamous cell carcinoma is common.
    Matched MeSH terms: Lung Neoplasms/secondary*
  2. Toh YF, Cheah PL, Looi LM, Teoh KH, Tan PH
    Malays J Pathol, 2016 Apr;38(1):19-24.
    PMID: 27126660
    Taking cognizance of the purported variation of phyllodes tumours in Asians compared with Western populations, this study looked at phyllodes tumours of the breast diagnosed at the Department of Pathology, University of Malaya Medical Centre over an 8-year period with regards to patient profiles, tumour parameters, treatment offered and outcome. Sixty-four new cases of phyllodes tumour were diagnosed during the period, however only 30 (21 benign, 4 borderline and 5 malignant) finally qualified for entry into the study. These were followed-up for 4-102 months (average = 41.7 months). Thirteen cases (8 benign, 3 borderline, 2 malignant) were Chinese, 9 (all benign) Malay, 7 (4 benign, 1 borderline, 2 malignant) Indian and 1 (malignant) Indonesian. Prevalence of benign versus combined borderline and malignant phyllodes showed a marginally significant difference (p=0.049) between the Malays and Chinese. Patients' ages ranged from 21-70 years with a mean of 44.9 years with no significant difference in age between benign, borderline or malignant phyllodes tumours. Except for benign phyllodes tumours (mean size = 5.8 cm) being significantly smaller at presentation compared with borderline (mean size = 12.5 cm) and malignant (mean size = 15.8 cm) (p<0.05) tumours, history of previous pregnancy, breast feeding, hormonal contraception and tumour laterality did not differ between the three categories. Family history of breast cancer was noted in 2 cases of benign phyllodes. Local excision was performed in 17 benign, 2 borderline and 3 malignant tumours and mastectomy in 4 benign, 2 borderline and 2 malignant tumours. Surgical clearance was not properly recorded in 10 benign phyllodes tumours. Six benign and all 4 borderline and 5 malignant tumours had clearances of <10 mm. Two benign tumours recurred locally at 15 and 49 months after local excision, however information regarding surgical clearance was not available in both cases. One patient with a malignant tumour developed a radiologically-diagnosed lung nodule 26 months after mastectomy, was given a course of radiotherapy and remained well 8-months following identification of the lung nodule.
    Matched MeSH terms: Lung Neoplasms/secondary
  3. Thanikasalam K
    Med J Malaysia, 1991 Jun;46(2):187-91.
    PMID: 1839425
    The propensity of choriocarcinoma to metastasize to lungs, liver and brain is well known. Though theoretically metastases are possible to anywhere in the body, renal metastases are rare. A 56 year old Malay woman who had total abdominal hysterectomy in 1985 for molar pregnancy presented with haemoptysis and dyspnea in 1990. Examination showed she had choriocarcinoma with pulmonary and renal metastases.
    Matched MeSH terms: Lung Neoplasms/secondary
  4. Sivanesaratnam V, Sen DK
    J Reprod Med, 1988 Apr;33(4):402-3.
    PMID: 2452881
    Pregnancy after treatment of choriocarcinoma with cerebral metastases is uncommon. We treated a patient successfully with less-toxic chemotherapeutic agents than those advocated by others together with whole brain irradiation. She subsequently had two uneventful pregnancies.
    Matched MeSH terms: Lung Neoplasms/secondary
  5. Sivanesaratnam V, Singh J
    Med J Malaysia, 1985 Dec;40(4):317-20.
    PMID: 3842732
    22 patients with proven hydatidiform molar pregnancy were subjected to whole lung tomography. By this technique, lung metastases were detected in four patients when plain chest radiographs had shown no secondaries. In a fifth patient additional nodules not observed on the plain radiographs were seen. The usefulness of this procedure as an adjunct to existing methods of following up of patients with metastatic trophoblastic disease is discussed.
    Matched MeSH terms: Lung Neoplasms/secondary*
  6. Shafiee MN, Ismail NM, Shan LP, Kampan N, Omar MH, Dali HM
    Sex Reprod Healthc, 2011 Apr;2(2):91-2.
    PMID: 21439527 DOI: 10.1016/j.srhc.2011.02.001
    Choriocarcinoma is a rare neoplasia with a tendency of distant metastasis although highly sensitive to chemotherapy renders a good prognosis and outcome. Lungs, liver and cerebral metastasis are commonly implicated with maxillofacial region rarely involved. We illustrate a case of overwhelming metastatic choriocarcinoma to lungs, liver, brain and to the extreme of gum metastasis. Decompressive craniectomy for intracranial bleeding, multiple transfusions to correct anaemia and coagulopathy were done before high-risk-regime chemotherapy. Despite this, due to fulminant multi-organs involvement she finally succumbed to death. In conclusion, gum bleeding in choriocarcinoma may suggest metastasis and poor prognosis.
    Matched MeSH terms: Lung Neoplasms/secondary
  7. Sen DK, Sivanesaratnam V, Chuah CY, Ch'ng SL, Singh J, Paramsothy M
    Acta Obstet Gynecol Scand, 1987;66(5):425-8.
    PMID: 3425244
    Of 36 cases of choriocarcinoma treated at the University Hospital Kuala Lumpur during 1980-84 inclusive, 6 patients were found to have cerebral metastases. Intrathecal methotrexate and combination chemotherapy were started in all cases, with monitoring of tumor growth by serial beta-HCG assays and CT scanning of brain and lung. Chemotherapy was reduced because of severe toxicity in 2 patients, one of whom received radiotherapy to the brain. Four patients (66%) have now been in remission for 2.5-6 years. Two did not respond to therapy and died. The factors involved in therapy and response are discussed.
    Matched MeSH terms: Lung Neoplasms/secondary
  8. Sathappan S, Razak HA, Loo CP
    Med J Malaysia, 2007 Oct;62(4):347-8.
    PMID: 18551946 MyJurnal
    Chondrosarcomas are uncommon tumors which originates in the head and neck and accounts for approximately 10 to 15% of all cases. Most chondrosarcomas exhibit an indolent growth pattern. Nasoseptal tumors may mimic common sinonasal conditions, making early diagnosis difficult. We report a case of nasoseptal metastatic chondrosarcoma which was atypical, characterized by an aggressive growth pattern and widely disseminated.
    Matched MeSH terms: Lung Neoplasms/secondary*
  9. Rodrigues P, Patel SA, Harewood L, Olan I, Vojtasova E, Syafruddin SE, et al.
    Cancer Discov, 2018 Jul;8(7):850-865.
    PMID: 29875134 DOI: 10.1158/2159-8290.CD-17-1211
    Metastases, the spread of cancer cells to distant organs, cause the majority of cancer-related deaths. Few metastasis-specific driver mutations have been identified, suggesting aberrant gene regulation as a source of metastatic traits. However, how metastatic gene expression programs arise is poorly understood. Here, using human-derived metastasis models of renal cancer, we identify transcriptional enhancers that promote metastatic carcinoma progression. Specific enhancers and enhancer clusters are activated in metastatic cancer cell populations, and the associated gene expression patterns are predictive of poor patient outcome in clinical samples. We find that the renal cancer metastasis-associated enhancer complement consists of multiple coactivated tissue-specific enhancer modules. Specifically, we identify and functionally characterize a coregulatory enhancer cluster, activated by the renal cancer driver HIF2A and an NF-κB-driven lymphoid element, as a mediator of metastasis in vivo We conclude that oncogenic pathways can acquire metastatic phenotypes through cross-lineage co-option of physiologic epigenetic enhancer states.Significance: Renal cancer is associated with significant mortality due to metastasis. We show that in metastatic renal cancer, functionally important metastasis genes are activated via co-option of gene regulatory enhancer modules from distant developmental lineages, thus providing clues to the origins of metastatic cancer. Cancer Discov; 8(7); 850-65. ©2018 AACR.This article is highlighted in the In This Issue feature, p. 781.
    Matched MeSH terms: Lung Neoplasms/secondary
  10. Phua CE, Tang WH, Yusof MM, Saad M, Alip A, See MH, et al.
    Asian Pac J Cancer Prev, 2014;15(23):10263-6.
    PMID: 25556458
    BACKGROUND: The risk of febrile neutropaenia (FN) and treatment related death (TRD) with first line palliative chemotherapy for de novo metastatic breast cancer (MBC) remains unknown outside of a clinical trial setting despite its widespread usage. This study aimed to determine rates in a large cohort of patients treated in the University of Malaya Medical Centre (UMMC).

    MATERIALS AND METHODS: Patients who were treated with first line palliative chemotherapy for de novo MBC from 2002-2011 in UMMC were identified from the UMMC Breast Cancer Registry. Information collected included patient demographics, histopathological features, treatment received, including the different chemotherapy regimens, and presence of FN and TRD. FN was defined as an oral temperature >38.5° or two consecutive readings of >38.0° for 2 hours and an absolute neutrophil count <0.5x109/L, or expected to fall below 0.5x109/L (de Naurois et al, 2010). TRD was defined as death occurring during or within 30 days of the last chemotherapy treatment, as a consequence of the chemotherapy treatment. Statistical analysis was performed using the SPSS version 18.0 software. Survival probabilities were estimated using the Kaplan-Meier method and differences in survival compared using log-rank test.

    RESULTS: Between 1st January 2002 and 31st December 2011, 424 patients with MBC were treated in UMMC. A total of 186 out of 221 patients with de novo MBC who received first line palliative chemotherapy were analyzed. The mean age of patients in this study was 49.5 years (range 24 to 74 years). Biologically, ER status was negative in 54.4% of patients and Her-2 status was positive in 31.1%. A 5-flourouracil, epirubicin and cyclophosphamide (FEC) chemotherapy regimen was chosen for 86.6% of the cases. Most patients had multiple metastatic sites (58.6%). The main result of this study showed a FN rate of 5.9% and TRD rate of 3.2%. The median survival (MS) for the entire cohort was 19 months. For those with multiple metastatic sites, liver only, lung only, bone only and brain only metastatic sites, the MS was 18, 24, 19, 24 and 8 months respectively (p-value= 0.319).

    CONCLUSIONS: In conclusion, we surmise that FEC is a safe regimen with acceptable FN and TRD rates for de novo MBC.

    Matched MeSH terms: Lung Neoplasms/secondary
  11. Peng HH, Huang KG, Chueh HY, Adlan AS, Chang SD, Lee CL
    Taiwan J Obstet Gynecol, 2014 Sep;53(3):397-400.
    PMID: 25286799 DOI: 10.1016/j.tjog.2013.02.005
    OBJECTIVE: A twin pregnancy consisting of a complete hydatidiform mole with a coexisting normal fetus is extremely rare with an incidence of 1/22,000 to 1/100,000. The incidence of preterm delivery is high and few pregnancies reach near term with a viable fetus.
    CASE REPORT: A 34-year-old woman presented at 20 weeks of gestation with increased levels of serum beta human chorionic gonadotropin (beta-HCG) at 4.74 multiples of the median (310277.7 mIU/mL). Ultrasonography showed a hydatidiform mole together with a normal fetus. Fetal karyotyping revealed 46XY. The serum beta-HCG levels were followed up throughout the remainder of the pregnancy. A male infant weighting 2260 g and the molar tissue were delivered at 37 weeks of gestation. The karyotype of the molar tissue showed 46XX and the histopathological report confirmed our diagnosis. At 4 months postpartum, metastatic gestational trophoblastic disease of the lung was diagnosed in the mother by a computed tomography scan due to increased beta-HCG levels. The patient received three unsuccessful cycles of methotrexate and folinate. Another four cycles of chemotherapy consisting of etoposide, methotrexate, actinomycin D, cyclophosphamide, and vincristine (EMA-CO) were initiated and the beta-HCG levels returned to normal. There was no evidence of recurrence in the subsequent 5 years of regular follow up.
    CONCLUSION: A pregnancy with a complete hydatidiform mole and a living cotwin can be a serious threat to the health of both the mother and the fetus. Early diagnosis depends on a combination of detecting an unusually high level of serum beta-HCG and ultrasound examination. We suggest that continuation of the pregnancy may be an acceptable option and that the pregnancy may continue until term if a normal fetal anatomy is assured and maternal complications are under control. Patients require careful postpartum follow up and any recurrent disease should be managed aggressively.
    KEYWORDS: EMA-CO; metastatic gestational trophoblastic disease; twin pregnancy with one complete hydatidiform mole
    Matched MeSH terms: Lung Neoplasms/secondary*
  12. Nordin N, Yeap SK, Rahman HS, Zamberi NR, Mohamad NE, Abu N, et al.
    Molecules, 2020 Jun 09;25(11).
    PMID: 32526880 DOI: 10.3390/molecules25112670
    Cancer nano-therapy has been progressing rapidly with the introduction of many novel drug delivery systems. The previous study has reported on the in vitro cytotoxicity of citral-loaded nanostructured lipid carrier (NLC-Citral) on MDA-MB-231 cells and some preliminary in vivo antitumor effects on 4T1 breast cancer cells challenged mice. However, the in vivo apoptosis induction and anti-metastatic effects of NLC-Citral have yet to be reported. In this study, the in vitro cytotoxic, anti-migration, and anti-invasion effects of NLC-Citral were tested on 4T1 breast cancer cells. In addition, the in vivo antitumor effects of oral delivery of NLC-Citral was also evaluated on BALB/c mice induced with 4T1 cells. In vitro cytotoxicity results showed that NLC-Citral and citral gave similar IC50 values on 4T1 cells. However, wound healing, migration, and invasion assays reflected better in vitro anti-metastasis potential for NLC-Citral than citral alone. Results from the in vivo study indicated that both NLC-Citral and citral have anti-tumor and anti-metastasis effects, whereby the NLC-Citral showed better efficacy than citral in all experiments. Also, the delay of tumor progression was through the suppression of the c-myc gene expression and induction of apoptosis in the tumor. In addition, the inhibition of metastasis of 4T1 cells to lung and bone marrow by the NLC-Citral and citral treatments was correlated with the downregulation of metastasis-related genes expression including MMP-9, ICAM, iNOS, and NF-kB and the angiogenesis-related proteins including G-CSF alpha, Eotaxin, bFGF, VEGF, IL-1alpha, and M-CSF in the tumor. Moreover, NLC-Citral showed greater downregulation of MMP-9, iNOS, ICAM, Eotaxin, bFGF, VEGF, and M-CSF than citral treatment in the 4T1-challenged mice, which may contribute to the better anti-metastatic effect of the encapsulated citral. This study suggests that NLC is a potential and effective delivery system for citral to target triple-negative breast cancer.
    Matched MeSH terms: Lung Neoplasms/secondary
  13. Noor Khairiah AK, Mohamad Nazrulhisham MN, Hazman MN
    Med J Malaysia, 2018 12;73(6):407-409.
    PMID: 30647215
    Malignant intrathoracic disease is the commonest cause of superior vena cava (SVC) obstruction. Life threatening SVC obstruction with intense dyspnoea requires urgent treatment. SVC stenting has been developed in recent years which results in rapid relief of the obstruction. The Yconfiguration technique has been reported to provide support for all three limbs of the bifurcation to prevent restenosis. At present, there are limited reports on the use of Y-configuration stent in stent techniques for endovascular stenting in malignant SVC obstruction. We share our clinical experience of two patients who received balloon-mounted stents using this technique.
    Matched MeSH terms: Lung Neoplasms/secondary
  14. Ng ES, Saw A, Sengupta S, Nazarina AR, Path M
    J Orthop Surg (Hong Kong), 2002 Dec;10(2):120-8.
    PMID: 12493923
    To review cases of giant cell tumour of bone or osteoclastoma managed at the University Malaya Medical Center, University of Malaya, Kuala Lumpur, from January 1990 to December 1999.
    Matched MeSH terms: Lung Neoplasms/secondary
  15. Nabi G, Sadiq M
    Med J Malaysia, 2002 Mar;57(1):111-3.
    PMID: 14569728
    A 56-year-old man presented with lower urinary tract obstructive symptoms, hemoptysis and progressive dyspnoea. Digital rectal examination showed an enlarged nodular prostate and a tru-cut biopsy confirmed carcinoma prostate. Chest x-ray showed multiple bilateral cannon ball opacities suggestive of metastases. He underwent bilateral orchidectomy and follow up assessment showed significant clearing of the cannon-ball lesions in the lungs. He remained asymptomatic at follow up that has extended to 8 years.
    Matched MeSH terms: Lung Neoplasms/secondary*
  16. Munajat I, Zulmi W, Norazman MZ, Wan Faisham WI
    J Orthop Surg (Hong Kong), 2008 Aug;16(2):182-5.
    PMID: 18725669
    To assess the association between tumour volume and occurrence of lung metastasis in patients with osteosarcoma and to determine the cut-off value.
    Matched MeSH terms: Lung Neoplasms/secondary*
  17. Loh KY, Yushak AW
    N Engl J Med, 2007 Jul 19;357(3):282.
    PMID: 17634463 DOI: 10.1056/NEJMicm063871
    Matched MeSH terms: Lung Neoplasms/secondary
  18. Liam CK, Looi LM, Pailoor J, Alhady SF
    Ann Acad Med Singap, 1989 Nov;18(6):713-6.
    PMID: 2624423
    Three cases of progressive dyspnoea in young female adults due to pulmonary lymphangitic carcinomatosis are reported. The underlying primary neoplasm was gastric carcinoma in all 3 cases. The diagnosis was not suspected in 2 patients because of their young age.
    Matched MeSH terms: Lung Neoplasms/secondary*
  19. Ibrahim ZA, Chan WH, Wong SL, Ong EJ, Narihan MZ
    J Orthop Surg (Hong Kong), 2014 Dec;22(3):423-6.
    PMID: 25550031
    Extraskeletal myxoid chondrosarcoma (EMC) is aggressive in children. The condition in children differs to that in adults and to skeletal myxoid chondrosarcoma. We report on a 9-year-old girl with EMC in her left thigh. She underwent above-knee amputation. Five months later, a small mass was noted at the right lower lobe of the lung. The patient underwent one course of ifosfamide, carboplatin, and etoposide chemotherapy, followed by resection of the mass and 8 more courses of chemotherapy. At the 2-year follow-up, she was in remission radiologically.
    Matched MeSH terms: Lung Neoplasms/secondary
  20. Ho CC, Krishna KK, Praveen S, Goh EH, Lee BC, Zulkifli MZ
    Med J Malaysia, 2010 Sep;65(3):229-30.
    PMID: 21939176
    We present a case of a middle-aged man who was incidentally found to have right renal solid mass while investigating for his left eye proptosis. Computerised tomography (CT) scan confirmed the diagnosis of renal cell carcinoma and the tumour was successfully excised via open surgery. The histopathology examination revealed the 10x7x8 cm mass to be a clear cell type renal cell carcinoma. The rare presentation of this metastatic renal cell carcinoma, its diagnosis and management will be discussed.
    Matched MeSH terms: Lung Neoplasms/secondary*
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