Blog Archive

Αλέξανδρος Γ. Σφακιανάκης

Tuesday, May 18, 2021

Ohngren’s line : In head and neck cancer, Ohngren's line is a line that connects the medial canthus of the eye to the angle of the mandible. The line defines a plane orthogonal to a sagittal plane that divides the maxillary sinus into an anterior-inferior part, and a superior-posterior part.



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Medicine by Alexandros G. Sfakianakis,Anapafseos 5 Agios Nikolaos 72100 Crete Greece,00302841026182,00306932607174,alsfakia@gmail.com,
Telephone consultation 11855 int 1193,

Sinonasal Carcinoma and Ohngren's Line: Retrospective Cohort Study of 39 Patients

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Abstract

Approximately two thirds of this study cohort displayed a sinonasal carcinoma extending across Ohngren's line at diagnosis.

Tumor extension across Ohngren's line at diagnosis is a negative prognostic factor for clinical outcome in accordance with AJCC 8th edition.

90% of tumors presenting with retropharyngeal lymph node metastasis were extended across Ohngren's line at diagnosis.

The presence of retropharyngeal lymph node metastasis is a strong negative prognosticator for survival in our study.

Retropharyngeal lymph node metastasis at diagnosis may be considered for inclusion in tumor staging for sinonasal carcinoma.

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Examining the utility of nuclear medicine imaging in the diagnosis and management of necrotising otitis externa

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Abstract

The primary objective of this study was to assess whether combination modality imaging (CT, and/or Technetium/Gallium) had any additional benefits over single modality imaging (CT) in the diagnosis and management of NOE. Combination modality imaging, in patients with a negative CT but raised clinical suspicion of NOE, did infer additional benefit over single modality imaging using CT. Gallium scanning, used to determine treatment end, was poorly representative of residual disease presence, with clinical assessment favoured instead. This study supports the use of Technetium nuclear imaging in a subset of patients with NOE; in particular, those with a high clinical suspicion of NOE but a negative initial CT, as a mean of potentially deescalating treatment. It does not support the use of Gallium imaging.

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Reduced surgical manipulation in a cohort of patients treated by minimally invasive parathyroidectomy with ultrasonography‐based visual map.

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Abstract

1. The correct localization of parathyroid adenomas is one of the main difficulties during mini-invasive parathyroidectomy.

2. To ease the surgical localization of pathological parathyroid tissue and reduce surgical manipulation, we have introduced in our clinical practice a bidimensional visual map based on preoperative ultrasonography.

3. The ultrasonography-based visual map is a reliable tool which can be easily consulted by the surgeon preoperatively and during surgery.

4. The map is drawn with the aim of representing the exact localization of adenomas respecting their borders with other organs (i.e., esophagus, thyroid lobe, carotid artery).

5. The use of the ultrasonography-based visual map can minimize surgical manipulation, thus reducing the risk of recurrent laryngeal nerve injury.

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Long‐term outcomes of cartilage tympanoplasty in 139 ears in children

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Abstarct

In paediatric tympanic membrane perforation surgery, the importance of craniofacial anomalies, clinical evidence of persisting middle ear disease, and especially age at surgery remains debated in the literature. The tympanic closure rate at 12 months follow-up or less does not seem sufficient to assess the success of the procedure in paediatric patients, due to frequent otitis media with effusion (OME) or post-operative retraction pockets or cholesteatoma.

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Robot‐assisted radical cystectomy with intracorporeal Mainz Ⅱ rectosigmoid pouch for muscle‐invasive bladder cancer

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Abstract

Background

To report the surgical techniques and results of robot-assisted radical cystectomy (RARC) with intracorporeal Mainz Ⅱ rectosigmoid pouch at our centre.

Methods

Two female patients were treated with this procedure. Construction of the pouch was divided into four main steps: incision of the rectum and sigmoid colon, closure of the posterior wall of the pouch, reimplantation of the ureters at the bottom of pouch in an anti-reflux manner, and closure of the anterior wall. Surgical results and perioperative complications were assessed.

Results

The operations were performed completely intracorporeally. No perioperative complications were observed. Postoperatively, high-grade invasive urothelial carcinoma was detected. On postoperative day 60, no bilateral ureteral dilation was detected. Two patients demonstrated total continence. Clinical recurrence was not observed during the follow-up period.

Conclusions

With careful patient selection, robot-assisted intracorporeal Mainz Ⅱ rectosigmoid pouch might be a simple minimally invasive surgical technique to be evaluated in repeated applications.

This article is protected by copyright. All rights reserved.

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The Moth-Eaten Mandible: Osteomyelitis

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Ear Nose Throat J. 2021 May 18:1455613211014289. doi: 10.1177/01455613211014289. Online ahead of print.

ABSTRACT

Inflammatory lesions such as osteomyelitis of the jaw may share some of the radiographic features of malignancy; however, a demonstrable dental cause for it usually exists. In addition, inflammatory lesions generally stimulate a sclerotic bone reaction, which is uncommon in malignancy. The imaging modality of choice for aiding in the differential diagnosis is comp uted tomography imaging because of its ability to clearly delineate sequestra and periosteal new bone formation.

PMID:34002628 | DOI:10.1177/01455613211014289

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