Mahmood Shishegar

ORCID: 0000-0003-0423-4464
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About
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Research Areas
  • Ear Surgery and Otitis Media
  • Salivary Gland Tumors Diagnosis and Treatment
  • Oral and Maxillofacial Pathology
  • Sinusitis and nasal conditions
  • Nasal Surgery and Airway Studies
  • Congenital Ear and Nasal Anomalies
  • Ear and Head Tumors
  • Head and Neck Anomalies
  • Head and Neck Surgical Oncology
  • Head and Neck Cancer Studies
  • Vestibular and auditory disorders
  • Hearing, Cochlea, Tinnitus, Genetics
  • Obstructive Sleep Apnea Research
  • Tracheal and airway disorders
  • Infectious Diseases and Mycology
  • Antifungal resistance and susceptibility
  • Hematological disorders and diagnostics
  • Corneal Surgery and Treatments
  • Otitis Media and Relapsing Polychondritis
  • Bone Tumor Diagnosis and Treatments
  • Facial Nerve Paralysis Treatment and Research
  • Actinomycetales infections and treatment
  • Hearing Loss and Rehabilitation
  • Streptococcal Infections and Treatments
  • Medical Research and Practices

Shiraz University of Medical Sciences
2012-2025

Khalili Hospital
2011-2016

Shiraz University
2015

Tumors of the salivary glands are uncommon head and neck neoplasia. We conducted a retrospective study 392 cases over last 6 years in Shiraz, south Iran, to investigate clinicopathological features these tumors Iranian population. The age patients ranged from 8 85 years, with mean 44.57 ± 14.65 male-to-female (M : F) ratio was 1.02 1. For benign tumors, there propensity towards females, whereas malignant tumor more common males. malignancies 2.19 Pleomorphic adenoma (PA) most accounted for...

10.4061/2011/934350 article EN Pathology Research International 2011-07-03

Objective. This study aimed to identify the microorganisms of surface and depth tonsils whether these bring menace bacteremia during tonsillectomy in children under surgery. Materials Methods. The culture specimens were taken from tonsil patients suffering chronic tonsillitis at time operation. Also, 10 mL venous blood samples 5 minutes before after operation for microbiological study. Results. According results, 112 (76.1%) 117 (79.6%) cultures represented multiple microorganisms,...

10.1155/2014/161878 article EN cc-by Advances in Preventive Medicine 2014-01-01

Fungal rhinosinusitis (FRS) encompasses a various spectrum of diseases. Histopathology is the "reference method" for diagnosing FRS, but it cannot determine genus and species. Moreover, in more than 50% histopathologically proven cases, culture elicited no reliable results. This study was an attempt to evaluate diagnostic efficiency semi-nested polymerase chain reaction (PCR) from formalin-fixed paraffin-embedded (FFPE) functional endoscopic sinus surgery (FESS) FRS patients.One hundred ten...

10.1002/jcla.24209 article EN cc-by Journal of Clinical Laboratory Analysis 2022-01-08

Malignant changes in pleomorphic adenoma (PA) of the salivary gland (carcinoma ex adenoma) are not common. Clear cell carcinoma is a rare form tumor and involves mostly minor glands, especially those palate. Only 3 cases clear arising PA have been reported, 2 submandibular glands 1 palate.A 53-year-old man presented with an enlarged mass on left side He had history palate about 30 years earlier; it was excised reported as PA. Since then recurred twice same place; diagnosed again. A few later...

10.1159/000326043 article EN Acta Cytologica 2006-01-01

10.1016/j.ijporl.2009.09.040 article EN International Journal of Pediatric Otorhinolaryngology 2009-10-30

Objective Prevention of granulation tissue formation and acceleration epithelialization the mastoid cavity in canal wall down (CWD) mastoidectomy by use amniotic membrane (AM) as a biologic dressing. Study Design Prospective randomized study. Methods During CWD mastoidectomy, an inferiorly base musculoperiosteal flap was rotated into cavity. In order to coverage this flap, AM (75 ears) or temporalis fascia (control group, 73 used. The times for were compared both groups. Results duration...

10.1002/lary.27638 article EN The Laryngoscope 2019-01-10

<b><i>Background:</i></b> Fine-needle aspiration (FNA) is a simple, safe, inexpensive, and acceptable method for diagnosing masses, especially at superficial areas. Therefore, we decided to evaluate the accuracy of FNA cytological diagnosis in nonthyroidal, nonsalivary gland neck masses compare results with histopathological diagnosis. <b><i>Materials Methods:</i></b> In this retrospective study, all cases from April 2009 July 2013 were...

10.1159/000371412 article EN Acta Cytologica 2015-01-01

Shishegar, Mahmood; Hosseini, Seyed Hossein Dastgheib; Varedi, Peyman; Payam; Mahmoodi, Simin; Ashraf, Mohammad Javad; Faramarzi, Abolhassan Author Information

10.1097/mao.0b013e31818c3223 article EN Otology & Neurotology 2009-07-22

Abstract Objective Post‐tonsillectomy pain is a common morbidity in children. The aim of this study was to compare the efficacy celecoxib with acetaminophen on relief pediatric day‐case tonsillectomy. Methods We compared analgesic effect (99 patients) (100 for management post‐tonsillectomy pain. score evaluated three times day 7 days. In addition, incidence bleeding and rate patients who returned regular diet were evaluated. Results first day, we observed lower mean group, than group ( P =...

10.1002/lio2.685 article EN Laryngoscope Investigative Otolaryngology 2021-10-27

Submandibular gland resection is a controversial issue in patients with oral tongue squamous cell carcinomas (SCC). This study aimed to determine the frequency of submandibular involvement who had undergone elective following SCC.This cross-sectional retrospective was performed between 2001 and 2017 on SCC glossectomy referral center for otorhinolaryngology surgery, Shiraz, Iran.In this study, 131 were included. Their mean age 59.84 years (range: 19-86). The tumor size 2.83 cm (range 0.3-7)....

10.22038/ijorl.2020.44283.2463 article EN PubMed 2021-01-01

Abstract Objective We aimed to compare the graft success rate and hearing outcomes in patients with large tympanic membrane (TM) perforation underlay over‐underlay approaches. Methods This is a prospective double‐blind randomized controlled clinical trial parallel design. Patients aged 15–75 years old TM (more than 50% of TM) who operated at Khalili hospital affiliated Shiraz University Medical Science, Iran, were enrolled. Exclusion criteria recent otorrhea, revision surgery, pathologic...

10.1002/lio2.1015 article EN cc-by-nc-nd Laryngoscope Investigative Otolaryngology 2023-02-27

M. J. Ashraf, N. Azarpira, B. Nowroozizadeh, Shishegar, Khademi, A. Faramarzi, S. Hashemi, Hakimzadeh and E. Abedi Fine needle aspiration cytology of palatine tonsils: a study 112 consecutive adult tonsillectomies Objective: To fine (FNAC) findings tonsillar lesions with histological controls to assess its role in the diagnostic evaluation tonsillectomy specimens. Methods: This consisted cases that required tonsillectomy, comprising 55 (49.1%) men 57 (50.9%) women. The ages ranged between 20...

10.1111/j.1365-2303.2009.00646.x article EN Cytopathology 2009-03-09
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