Publications by authors named "Gokhan Akgul"

Background: This study aims to identify factors predicting recurrence and unfavorable prognosis in cN+ patients who have undergone sentinel lymph node biopsy (SLNB) following neoadjuvant chemotherapy (NAC).

Methods: The retrospective multi-centre "MF18-02" and the prospective multi-centre cohort registry trial "MF18-03" (NCT04250129) included patients with cT1-4N1-3M0 with SLNB+/- axillary lymph node dissection (ALND) post-NAC.

Results: A total of 2407 cN+ patients, who later achieved cN0 status after NAC and subsequently underwent SLNB, were studied.

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Article Synopsis
  • The study investigates the safety of omitting axillary lymph node dissection (ALND) in patients with residual axillary disease after neoadjuvant chemotherapy (NAC), focusing on those treated with sentinel lymph node biopsy (SLNB) or targeted axillary dissection (TAD).
  • An analysis of two multicenter cohorts (MF18-02 and MF18-03) included 501 patients who received regional nodal irradiation and achieved a complete clinical response to NAC.
  • Results showed low recurrence rates (0.4% axillary, 0.8% locoregional) and no significant differences in disease-free or disease-specific survival between SLNB and TAD, suggesting ALND omission is safe if patients receive
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Necrotizing fasciitis is a rare but potentially lethal infection of the skin and soft tissue, commonly seen in the perianal and gluteal regions. Concomitant diabetes is a predisposing factor. Primary necrotizing fasciitis of the breast is rare in healthy women.

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Background: The main complications seen in patients who have undergone modified radical mastectomy (MRM) are seroma, surgical site infection, hematoma, wound dehiscence, flap necrosis, and nerve damage. While these complications lead to some problems the most feared effect in the early period is that they cause a delay in adjuvant treatment. Incisional Negative Pressure Wound Therapy (iNPWT) decreases wound dehiscence by reducing oedema and tension, especially in the incision line.

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Objectives: In this study, the damage caused by button batteries (BB) trapped in the ear canal (EC) and strategies to reduce this damage before their removal were investigated .

Methods: After four EC models prepared from freshly frozen cadaveric bovine ears were thawed, 3 V lithium BBs were placed in the channels. After a three-hour period of preliminary damage, nothing was applied to the first EC model, the second EC model underwent saline administration, the third EC model underwent boric acid administration, and the fourth EC model underwent the administration of 3% acetic acid.

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Purpose: The present study evaluated the potential effects of biliary drainage before pancreaticoduodenectomy on postoperative outcomes and presented the details of a surgeon's 6 years of experience.

Methods: All consecutive pancreatoduodenectomies performed from 2015 to 2021 were retrospectively analyzed. The study population was divided into two groups: the stented group (Group I) and the nonstented group (Group II).

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Background: Nasal polyps (NPs) are non-neoplastic, painless inflammatory lesions of the sino-nasal mucosa. Nasal polyp physiopathology is not yet fully understood. There are many potential etiologies of NP, including chronic infections, allergies, asthma, aspirin sensitivity, anatomical disorders, and genetic causes.

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Background: Coronavirus Disease 2019 (COVID-19) is a viral pandemic emerging in East Asia and spreading rapidly to the rest of the world and continuing in our country. The number of studies examining the symptoms of the otolaryngology system and organs in COVID-19 patients is limited. The purpose of this study is to show whether COVID-19 infections cause any changes in nasal physiology in adult patients by measuring the mucociliary clearance (MCC) time with the saccharin test.

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Background: The results from sphincteroplasty may worsen over time. Reseparation of the rectum and vagina/scrotum in conjunction with sphincteroplasty achieves good results. Improving the surgical effect of sphincteroplasty through perineal body reconstruction is crucial.

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Objective: The purpose of this study was to examine the current status and the future of pediatric otolaryngology in Turkey by evaluating the opinions of young otolaryngologists on pediatric otolaryngology.

Methods: The study included 224 otolaryngology physicians who were senior residents registered with the Turkish Otolaryngology and Head-Neck Surgery Association (TORL-HNS). The physicians were in their last two years of otolaryngology training (154 physicians) or had completed their residency training and were in their first year of otolaryngology practice (70 physicians).

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Background: Luxation of the temporomandibular joint (TMJ) is an acute condition associated with translocation of the condylar joint out of its functional position. Traumatic causes are more common in childhood, while non-traumatic causes are very rare.

Clinical Presentation: A 6-month-old patient was brought to a rural hospital emergency department with the inability to close her mouth.

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Objectives: Recent studies suggest that elevated neutrophil to lymphocyte ratio (NLR) and platelet to lymphocyte ratio (PLR) are poor prognostic factors in sudden sensorineural hearing loss (SSNHL). We aimed to investigate the accuracy of this hypothesis by taking into account the effect of cardiovascular risk (CVR) factors.

Methods: Medical records of 122 patients with SSNHL were reviewed retrospectively and grouped into 2 as; patients without CVR (group 1; n = 68) and patients having CVR (group 2; n = 54).

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Purpose: This study aims to determine the relationship between bone destruction and bone turnover markers in patients with chronic otitis media (COM).

Methods: Subjects with COM were divided into two groups: those with and without bone destruction. Thirty-seven patients were included in the group with bone destruction; 30 patients were included in the group without bone destruction.

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Objective: Transcanal endoscopic type 1 tympanoplasty is a minimally invasive procedure that enables better visualization of deep and narrow spaces compared to conventional microscopic methods. In our study, we aimed to evaluate air-bone gap difference, graft success, and hearing gain according to the perforation size and location in pediatric patients who underwent transcanal endoscopic type 1 cartilage tympanoplasty.

Methods: Fifty pediatric patients who underwent transcanal endoscopic type 1 cartilage tympanoplasty for chronic otitis media were included in the study.

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Objective: This study aims to evaluate injuries occurring in the larynx of patients intubated in intensive care units for a long time.

Study Design: Prospective clinical study.

Setting: Tertiary hospital.

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The pathophysiology of vertigo is not fully known; thus, it is difficult to diagnose vestibular migraine (VM) in some migraine patients with vertigo symptoms. We aimed to evaluate the diagnostic value of cervical vestibular evoked myogenic potential (cVEMP) in patients with VM. Thirty-two patients diagnosed with migraine and 31 patients with VM were prospectively included in this study.

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Background: An ear surgery can be performed via transcanal, endaural, or postauricular approach according to the surgeon's desicion. The postauricular one is the most commonly performed approach.

Objective: The objective of this study was to evaluate whether preferring postauricular approach during ear surgery cause auricular protrusion in over time.

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Objective: Vitamin B12 deficiency-induced hyperhomocysteinemia has been associated with impaired microarterial flow, demyelization, and neuronal damage, resulting in cochlear damage and auditory dysfunction. Therefore, we aimed to evaluate the possible vestibular-evoked myogenic potential (VEMP) abnormalities in patients with vitamin B12 deficiency.

Material And Method: In this prospective study, 37 patients diagnosed with vitamin B12 deficiency (<220 pg/mL) were compared with 31 audiologically healthy participants with normal B12 levels.

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Laryngeal carcinomas are the most common upper respiratory tract cancers and most commonly involve the glottic region. The aim of this study is to evaluate the voice quality after radiotherapy (RT) and microsurgical cordectomy (MC) treatments using Voice Handicap Index (VHI) and Grade, Roughness, Breathiness, Astenicity, and Strain (GRBAS) perceptual evaluation scale in patients with early-stage glottic carcinoma. A total of 37 patients with early-stage glottic carcinomas, 19 patients had RT and 18 patients with MC, were included in our study.

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Purpose: We aimed to evaluate air-bone GAP (ABG), graft success and hearing gain according to the size and location of perforation in patients who underwent endoscopic transcanal type 1 cartilage tympanoplasty due to the tympanic membrane perforation and chronic otitis media.

Methods: The 104 patients (52 male and 52 female) who underwent endoscopic transcanal type 1 cartilage tympanoplasty, were evaluated retrospectively. Tragal cartilage grafts were utilized in all patients.

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Purpose: To investigate the safety of outpatient admission and the effects of surgical technique in tonsillectomy operations of adult patients.

Methods: The digital database was scanned for patients aged ≥ 15 years that underwent tonsillectomy in our institution between years 2014 and 2018. Demographic and clinical characteristics, the surgical technique, length of stay (LOS) in hospital, re-admissions after discharge, complications and interventions performed were recorded.

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Objective: Breast cancer subtypes are used as prognostic and predictive factors considering the genomic profile of the disease. This study is designed to investigate the Sentinel Lymph Node (SLN) detection rate in breast cancer for different biological characteristics.

Material And Methods: Patients on whom we performed the methylene blue method alone were named as Group I, radiocolloid substance method alone as Group II and both methylene blue and radiocolloid method as Group III.

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Background: The aim of this study was to find out whether a substantial difference in terms of complication rates exists between primary and completion thyroidectomies following initial bilateral subtotal thyroidectomy in the light of current literature and our series.

Patients And Methods: Total number of 696 patients who received completion thyroidectomy (Group 1, n = 289) and total thyroidectomy for differentiated thyroid cancer (Group 2, n = 407) and their data were reviewed and postoperative complications were compared between the groups and with the literature.

Results: Transient and permanent hypocalcaemia rates were 20% and 5.

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 Sudden hearing loss is one of the otologic emergencies. The treatment of this disease is affected negatively by some prognostic factors.  In this study, the effects of early treatment initiation in patients with idiopathic sudden hearing loss and of prognostic factors in early treated patients were investigated.

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