Displaying publications 1 - 20 of 46 in total

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  1. Varghese LL, Bhattacharya A, Basannavar A
    BMJ Case Rep, 2021 Jul 02;14(7).
    PMID: 34215638 DOI: 10.1136/bcr-2021-241821
    Matched MeSH terms: Maxillary Sinus/surgery
  2. Chew YK, Noorizan Y, Khir A, Brito-Mutunayagam S
    Med J Malaysia, 2009 Jun;64(2):174-5.
    PMID: 20058584 MyJurnal
    Leiomyosarcoma is a malignant smooth-muscle tumour that has a predilection for the gastrointestinal and female genital tract. It is locally fast-spreading and highly aggressive, and the prognosis is poor. We report a rare case of leiomyosarcoma of the maxilla in a patient who sought treatment for maxillary swelling, nasal obstruction with no epistaxis, orbital involvement or cervical lymph node metastasis. The patient underwent subtotal maxillectomy followed by radiotherapy. At present, he is symptom free with no recurrence and under regular follow up.
    Matched MeSH terms: Maxillary Sinus Neoplasms/diagnosis; Maxillary Sinus Neoplasms/pathology*; Maxillary Sinus Neoplasms/therapy
  3. Wong HT, Mun KS, Zulkiflee AB, Prepageran N
    Pathology, 2016 Jan;48(1):95-6.
    PMID: 27020222 DOI: 10.1016/j.pathol.2015.11.022
    Matched MeSH terms: Maxillary Sinus/pathology; Maxillary Sinus Neoplasms/diagnosis; Maxillary Sinus Neoplasms/pathology*
  4. Azreen AB, Kwan CY, Prepagaren N
    Med J Malaysia, 2012 Dec;67(6):627-8.
    PMID: 23770962 MyJurnal
    Langerhan cell histiocytosis is a rare disease and usually occurs in paediatric age group. This disease may involve single or multiple organs system and has an unpredictable course of disease. The involvement of head and neck region are almost 90% of cases, however maxillary sinus involvement is very rare. We report a case of 2 year old boy presented with multi organ LCH (orbit, skull, sinus and liver). The mainstay treatment for this high risk multi organ LCH group is chemotherapy. Unfortunately, although with the advancement of treatment, their mortality rate is still high.
    Matched MeSH terms: Maxillary Sinus*
  5. Norhafizah M, Mustafa WM, Sabariah AR, Shiran MS, Pathmanathan R
    Med J Malaysia, 2010 Sep;65(3):218-20.
    PMID: 21939172
    Mucosal malignant melanoma (MMM) is an aggressive tumour occurring in the upper respiratory tract. It is rare compared to malignant melanoma of the skin. We report a case of a 53-year-old man with left paranasal swelling. A biopsy showed high-grade spindle cell tumour. Subsequently a subtotal maxillectomy was performed. Histopathological examination revealed a hypercellular tumour composed of mixed spindle and epitheloid cells with very occasional intracytoplasmic melanin pigment. The malignant cells were immunopositive for vimentin, S-100 protein and HMB-45. It was diagnosed as mucosal malignant melanoma (MMM). This article illustrates a rare case of MMM where the diagnosis may be missed or delayed without proper histopathological examination that include meticulous search for melanin pigment and appropriate immunohistochemical stains to confirm the diagnosis. Malignant melanoma can mimic many other types of high-grade malignancy and should be considered as a differential diagnosis in many of these instances.
    Matched MeSH terms: Maxillary Sinus Neoplasms/pathology*; Maxillary Sinus Neoplasms/radiotherapy; Maxillary Sinus Neoplasms/surgery
  6. Tang IP, Prepageran N
    Med J Malaysia, 2007 Oct;62(4):337-8.
    PMID: 18551941 MyJurnal
    We reported a patient with an extensive benign sinonasal squamous papilloma in the right nasal cavity with involvement of right sphenoid, ethmoid, maxillary sinuses and intracranial extension. This tumour is rare with very few reported cases in the literature of such extensive in nature. The tumour is excised completely with combined endoscopic transnasal and transcranial approaches. The patient remains disease free at a year interval of follow-up.
    Matched MeSH terms: Maxillary Sinus Neoplasms/complications; Maxillary Sinus Neoplasms/diagnosis*; Maxillary Sinus Neoplasms/surgery
  7. Megat Shiraz MA, Jong YH, Primuharsa Putra SH
    Singapore Med J, 2008 Nov;49(11):e310-1.
    PMID: 19037537
    Extramedullary plasmacytoma is a rare malignant plasma cell tumour. We report an extremely aggressive case of extramedullary plasmacytoma of the right maxillary sinus, which had metastasised to the brain and rib. A 56-year-old man presented with recurrent epistaxis and acute anaemia. Nasendoscopy revealed a medialised medial wall of the right maxilla and a mass occupying the whole nasopharynx. Magnetic resonance imaging revealed a right maxillary tumour with extension to the ipsilateral nasal cavity, nasopharynx, right sphenoid and ethmoidal sinuses. There was an extra-axial brain metastasis. There were metastases to the right parietal region and left eighth rib. Histopathology examination of the maxillary mass revealed abundant plasma cells with kappa-chain restriction. He was planned for four cycles of chemotherapy. Unfortunately, in view of the advanced stage of disease, he succumbed to his disease during the first cycle of chemotherapy.
    Matched MeSH terms: Maxillary Sinus/pathology; Maxillary Sinus/radiography; Maxillary Sinus Neoplasms/diagnosis*; Maxillary Sinus Neoplasms/pathology; Maxillary Sinus Neoplasms/radiography*
  8. Harvinder S, Jenny L, Gurdeep S
    Med J Malaysia, 2008 Oct;63(4):333-4.
    PMID: 19385497
    We experienced the case of a patient who had a foreign body in the maxillary sinus. The foreign body was an arrow accidentally triggered by the patient while fishing. The foreign body was removed via the Caldwell-Luc approach.
    Matched MeSH terms: Maxillary Sinus*
  9. Pathma L, Philip R, Harvinder S, Manjit S
    Med J Malaysia, 2008 Jun;63(2):152-3.
    PMID: 18942306 MyJurnal
    Malignant melanocytic melanoma is a rare sinonasal malignancy. We present a case report of an elderly lady who presented with epistaxis and intranasal polyps. Computed tomography revealed soft tissue mass in the oropharynx, nasopharynx, left ethmoid and entire maxillary sinus. The mass was removed via endoscopic medial maxillectomy. Histopathology examination revealed sinonasal melanocytic malignant melanoma. At present 17 months postoperatively she is symptom free with no recurrence and under regular follow up.
    Matched MeSH terms: Maxillary Sinus Neoplasms/pathology*
  10. Lee ML, Prepageran N, Subha ST
    Med J Malaysia, 2004 Oct;59(4):550-1.
    PMID: 15779594 MyJurnal
    Dentigerous cyst in maxillary sinus, especially in children, is uncommon in Malaysia. Few cases of dentigerous cyst in maxillary sinus in children have been reported in the medical literature. According to Tay AB et al, dentigerous cyst was accounted for 2.3% of the 20 most common diagnosed oral tumors in Singapore form year 1993--1997. This report illustrates a case of the dentigerous cyst in the maxillary sinus, resulting in significant facial swelling, which was managed by endoscopic marsupialization of the cyst.
    Matched MeSH terms: Maxillary Sinus*
  11. Krishnan G
    Med J Malaysia, 1992 Sep;47(3):190-3.
    PMID: 1491644
    Maxillary sinuses plain film radiographs of 59 patients were reviewed and reported by both clinicians or Radiologists at the University Hospital, Kuala Lumpur. There was agreement in 52 reports of the plain film radiographs however there was partial differences in about seven cases. This gave an impression that the ENT specialist and the Radiologist were both capable of reporting plain film radiographs of maxillary sinuses, even though the radiologist has no opportunity of doing detail clinical examination of the patient.
    Matched MeSH terms: Maxillary Sinus/radiography*; Maxillary Sinusitis/diagnosis; Maxillary Sinusitis/radiography*
  12. Elango S, Palaniappan SP
    Ear Nose Throat J, 1991 Jun;70(6):365-6.
    PMID: 1893885
    Eruption of a tooth into a nonoral environs is rare. Ectopic eruption of the tooth into the nasal cavity and chin has been reported before. This is a report of an ectopic third molar tooth in the roof of the maxillary sinus, which has not, to our knowledge, been reported before.
    Matched MeSH terms: Maxillary Sinus*
  13. Qabbani AA, Bayatti SWA, Hasan H, Samsudin AB, Kawas SA
    J Craniofac Surg, 2020 1 3;31(3):e233-e236.
    PMID: 31895847 DOI: 10.1097/SCS.0000000000006106
    To evaluate the ability of the maxillary sinus membrane to produce bone after internal sinus lifting and implant placement without adding exogenous bone graft, and to assess the quality of bone that has been produced 6 months postoperatively.In this retrospective study, 10 subjects who underwent maxillary sinus floor lifting and met the inclusion criteria were selected and then subdivided into: Group-A underwent internal sinus elevation and placement of implants without the use of bone graft and Group-B underwent classical internal sinus lifting and placement of bovine bone particles and then placement of the implant as a control group. Radiofrequency analysis (RFA) values for measuring the Implant Stability Quotient (ISQ) of all implants were measured by Osstell device. CBCT was performed involving linear measurements of the site of sinus lifting for both groups.High RFA values demonstrating excellent biomechanical stability were observed in Group-A compared to Group-B at 6 months postoperatively. Group-A showed a median of ISQ value;78 (8), 77(12), 79(3.5) and 77(4.50). Group-A was significantly higher in ISQ values than Group-B, which showed median and interquartile range (IQR) of ISQ value of [51(12.50), 54(14.50), 55(9), and 55(7.50)]. However, the amount of bone available in group B was significantly higher than group A; [3.5 mm (0.75) and 3.8 mm (0.69)].Internal sinus lifting without bone graft has the ability of bone formation by osteogenic potential of the sinus membrane. Nevertheless, the high quality of bone being produced is of high importance for the success of an implant without the need for an exogenous bone graft. The newly formed bone was significantly of a better quality in Group-A. Thus, it is recommended to perform internal sinus lifting, without adding bone graft material and allow the osteogenic potential of the maxillary sinus membrane to produce its own osteogenic cells.
    Matched MeSH terms: Maxillary Sinus/surgery
  14. Al-Juboori MJ
    PMID: 25678816 DOI: 10.2147/CCIDE.S76637
    The displacement of a dental implant into the maxillary sinus may lead to implant failure due to exposure of the apical third or the tip of the implant beyond the bone, resulting in soft tissue growth. This case report discusses dental implant placement in the upper first molar area with maxillary sinus involvement of approximately 2 mm. A new technique for progressive implant loading was used, involving immediately loaded implants with maxillary sinus perforation and low primary stability. Follow-up was performed with resonance frequency analysis and compared with an implant placed adjacent in the upper second premolar area using a conventional delayed loading protocol. Implants with maxillary sinus involvement showed increasing stability during the healing period. We found that progressive implant loading may be a safe technique for the placement of immediately loaded implants with maxillary sinus involvement.
    Matched MeSH terms: Maxillary Sinus
  15. Ong, A.H.
    Ann Dent, 1997;4(1):-.
    MyJurnal
    The palatal root of the first permanent molar is the most commonly deflected root into the maxillary sinus during extraction. A rational approach to the surgical removal of a root from the antrum is important. Some surgeons prefer the alveolar approach while others prefer the Caldwell-Luc operation. A case is presented where the palatal root tip of the left upper first molar was removed from the maxillary sinus by the Caldwell-Luc approach with simultaneous closure of the oro-antral fistula resulting from dental extraction. A fibreoptic light probe was used. The advantages and disadvantages as well as how to avoid the common complications of this surgical technique are discussed. A good result was achieved with successful removal of the root and no loss of sensibility of the teeth and/or gum for this case.
    Matched MeSH terms: Maxillary Sinus
  16. Amin, Z.A., Amran, M., Khairudin, A.
    MyJurnal
    A case of a large dentigerous cyst associated with canine tooth in the maxillary antrum is presented. This case is of interest because of its extensiveness and the presence of an ectopic tooth in the roof of the maxillary sinus. Theoretical aspects of canine impaction and cyst formation are reviewed. The management of a jaw cyst, in particular, the still popular Caldwell-Luc procedure is discussed.
    Matched MeSH terms: Maxillary Sinus
  17. Cheong JP, Rahayu S, Halim A, Khir A, Noorafidah D
    Ear Nose Throat J, 2014 Jun;93(6):E1-4.
    PMID: 24932822
    Carcinosarcoma is a highly aggressive and infiltrative tumor. A finding of this tumor in a paranasal sinus is exceedingly rare. We describe the case of a 61-year-old man who presented with a mass on the left side of his face. The mass was excised via a total maxillectomy with a modified radical neck dissection. Histologic analysis identified a mixture of carcinomatous and sarcomatous components. Within 1 month of surgery, the patient developed a sternal metastasis, and he died within a short period of time. The aggressive nature of this tumor and its metastases demand early diagnosis and prompt treatment.
    Matched MeSH terms: Maxillary Sinus Neoplasms/pathology*; Maxillary Sinus Neoplasms/surgery
  18. Pang KP, Siow JK, Tan HM
    Med J Malaysia, 2005 Oct;60(4):523-5.
    PMID: 16570724
    We present a case of a foreign body which migrated to the maxillary ostia by mucociliary action from its initial location on the floor of the maxillary sinus where it was traumatically introduced. This report illustrates that a powerful mechanism of mucociliary action can cause relatively heavy objects within the maxillary sinus to migrate naturally to the sinus ostia against gravitational force.
    Matched MeSH terms: Maxillary Sinus/physiopathology*; Maxillary Sinus/radiography
  19. Govindaraju R, Cherian L, Macias-Valle L, Murphy J, Gouzos M, Vreugde S, et al.
    Int Forum Allergy Rhinol, 2019 10;9(10):1097-1104.
    PMID: 31343852 DOI: 10.1002/alr.22397
    BACKGROUND: Middle meatal antrostomy (MMA) provides limited access to the anteromedial and inferior aspect of the maxillary sinus (MS) often resulting in residual disease and inflammatory burden. Newer extended procedures, such as mega-antrostomy (Mega-A) and extended modified mega-antrostomy (EMMA), have been developed to address this limitation. This study assesses the effect of varying extent of MS surgery on irrigation penetration and access of instrumentation.

    METHODS: The MS of 5 fresh-frozen cadavers were sequentially dissected. Irrigation was evaluated with a squeeze bottle (SB) in different head positions and using different volumes of fluid. Surgical reach and visualization were examined using common sinus instruments and different angled endoscopes. A disease simulation was also performed to check for residual debris after instrumentation and irrigations.

    RESULTS: Irrigation penetration improved as antrostomy size increased (p < 0.0001), with a significant difference observed between the extended procedures and MMA. The effect of the volume was significant for SB (p < 0.0001) but head positions appeared irrelevant (p = 0.613). Overall visualization improved for Mega-A and EMMA. A similar trend was seen for the reach of the instruments to all sinus wall subsites. EMMA facilitated the most removal of "sinus disease" in the disease simulation model when compared with both MMA and Mega-A, due to its reach of the anteroinferior aspects of the maxillary sinus.

    CONCLUSIONS: High-volume irrigation using SB achieved good sinus penetration, irrespective of head position. Extended MS procedures appear to further increase irrigation penetration as well as surgical access.

    Matched MeSH terms: Maxillary Sinus/anatomy & histology; Maxillary Sinus/surgery*
  20. Ananda GK, Nambiar P, Mutalik S, Shanmuhasuntharam P
    Surg Radiol Anat, 2015 Nov;37(9):1099-108.
    PMID: 25850735 DOI: 10.1007/s00276-015-1473-0
    With the advent of cone-beam computed tomography (CBCT) for maxillofacial imaging, there has been a paradigm shift from two dimensional panoramic radiography to three dimensional imaging. This study investigated the microanatomy of the maxillary permanent first molar socket and its relationship to the floor of the maxillary sinus, especially for immediate or early implant placement.
    Matched MeSH terms: Maxillary Sinus
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