Κυριακή 26 Σεπτεμβρίου 2021

Parapharyngeal Lymph Node Metastasis From Papillary Thyroid Carcinoma

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Ear Nose Throat J. 2021 Sep 24:1455613211045566. doi: 10.1177/01455613211045566. Online ahead of print.

ABSTRACT

Metastatic parapharyngeal lymph nodes (LNs) from papillary thyroid carcinomas (PTC) are uncommon and can easily remain undetected. We describe a case that involves a 62-year-old woman treated for a PTC, who presented a rise in serum thyroglobulin (TG) levels. A computed tomography scan was performed, and revealed metastatic nodes in the left parapharyngeal space (P PS). A surgical resection of the nodes was performed with external cervical approach. A histological exam confirmed the diagnosis of a metastatic LN of a PTC. The aim of this report is to emphasize on the possibility of parapharyngeal metastatic nodes in PTC and to describe the diagnosis methods, treatment options, and impact on the prognosis.

PMID:34558348 | DOI:10.1177/01455613211045566

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Surgical results of tympanoplasty after conversion to the endoscopic approach performed by a surgeon experienced in microscopic surgery

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Eur Arch Otorhinolaryngol. 2021 Sep 24. doi: 10.1007/s00405-021-07093-w. Online ahead of print.

ABSTRACT

PURPOSE: The aim of this study was to analyze the surgical outcomes of endoscopic tympanoplasty (ET) type I, and to investigate the learning curve of ET type I in a surgeon experienced in microscopic surgery.

METHODS: We retrospectively studied patients with tympanic membrane perforations who had undergone ET type I from January 2015 to June 2020. All procedures were performed by a single senior surgeon with considerable microscopic experience. We compared the perforation closure rate in relation to age, previous ear surgery history, graft material, size, and location of perforation. We compared the operation time according to the number of operated patients.

RESULTS: A total of 399 patients were enrolled. The success rate of ET type I was 92.7%. Age, prior ear surgery, graft material, size, and location of perforation d id not influence the surgical outcomes. The surgical time for the initial ten cases was the longest (78.3 min), and stabilized after the first 100 cases to under 60 min. The surgical success rate was 96.0% in the first 50 cases, and decreased to approximately 92% afterwards.

CONCLUSION: The surgical time largely decreased with the number of operated patients. Since the operations were performed by a surgeon experienced in microscopy, the success rate of initial cases was not low, even though the operation time of these initial cases was longer. We believe that endoscope provides a new perspective on ear surgery if it could overcome the difficulties in the early stage.

PMID:34559270 | DOI:10.1007/s00405-021-07093-w

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Effects of hyaluronic acid on the bone healing after lateral osteotomy: an experimental animal model

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Eur Arch Otorhinolaryngol. 2021 Sep 24. doi: 10.1007/s00405-021-07096-7. Online ahead of print.

ABSTRACT

OBJECTIVE: Postoperative comfort of the patients undergoing rhinoplasty might be poor because of edema and ecchymosis caused by lateral osteotomy. In this animal experiment, we aimed at performing a quantitative assessment of effects of hyaluronic acid usage on healing process of lateral osteotomy.

METHODS: Fourteen New Zealand rabbits with a weight of 2000-2500 kg and an age of 8-12 weeks were included. Under anesthesia, nasal dorsums were exposed with midline incision and lateral osteotomies on both sides were performed using a 2 mm chisel. A hyaluronic acid-based mesh (Hyalonect®) (1 × 1 cm) was embedded on the left osteotomy areas of all rabbits. Right osteotomy areas were left blank as control group. Collagen density and capillary development were quantitatively compared.

RESULTS: Convergence of fractur e lines was observed in 6 (60%) of 10 samples from Hyalonect® group, while was observed in 4 (40%) of 10 samples from control group. Although a higher rate of convergence was seen in the Hyalonect® group (60% vs 40%), the difference was not statistically significant (p = 0.5). Median collagen score was 2 (1-3) in the Hyalonect® group and 1 (1-2) in the control group. Median capillary count value was 4 (1-23) in the Hyalonect® group and 3 (1-17) in the control group. Both collagen score and capillary count values were significantly greater in the in the Hyalonect® group compared with the control group (p = 0.023 and p = 0.019, respectively).

CONCLUSION: The effects of hyaluronic acid-based meshes on the bone healing process of the lateral osteotomy area might be investigated furthermore, on more comprehensive studies, as a material facilitating collagen organization and capillary development.

PMID:34559272 | DOI:10.1007/s00405-021-07096-7

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Growth After Adenotonsillectomy for Obstructive Sleep Apnea: Revisited

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Objectives/Hypothesis

To reanalyze the growth trajectory and assess longitudinal changes of children undergoing adenotonsillectomy (AT) versus watchful waiting (WW) enrolled in the Childhood Adenotonsillectomy Trial (CHAT) study and to determine if an AT increases the risk of obesity in children.

Study Design

Reanalysis of prospective cohort investigation.

Methods

The study analyzed publicly available data from CHAT, including 3 months visit data not previously included in a prior publication. Statistical comparisons and mixed-effects modeling were done using age- and sex-specific BMI expressed as a percentage of the 95th percentile (%BMIp95). P < .05 was considered significant.

Results

Children in the AT group, especially if underweight at baseline, had an increased rate of weight gain, with 100% of underweight children in the AT group becoming normal weight compared to 20% for WW. However, the rate of weight gain, as measured by the %BMIp95 trajectory for both AT and WW groups, was not significantly different when baseline weight status and obstructive sleep apnea (OSA) resolution were accounted for. Comparisons of %BMIp95 between treatment groups at baseline, 3- and 7-month follow-up visits also failed to identify statistically significant differences (P > .05). Overall for the entire cohort, resolution of OSA was associated with a decreased weight trajectory (P < .001).

Conclusions

AT compared to WW is not associated with an increased risk of excessive weight gain. Otolaryngologists should be aware of this updated analysis when discussing AT surgical outcomes with families.

Level of Evidence

2 Laryngoscope, 2021

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Trends in Adjuvant Therapy After Surgery for Oropharyngeal Squamous Cell Carcinoma

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Objectives/Hypothesis

We aim to 1) evaluate trends in adjuvant treatment of human papilloma virus (HPV)-related oropharyngeal cancer; 2) assess change in complications and functional outcomes over time; and 3) assess change in overall and disease-free survival (DFS) over time.

Study Design

Retrospective analysis.

Methods

Charts of patients who underwent transoral robotic surgery for HPV-related oropharyngeal cancer between 2011 and 2019 were reviewed. Trend analysis was used to compare rate of adjuvant treatment over time. The Kaplan–Meier method was conducted to analyze overall survival (OS) and DFS.

Results

Three hundred and forty-two patients met inclusion criteria. One hundred and sixty-three (47.7%) patients underwent adjuvant radiation, and 90 (26.3%) patients underwent adjuvant chemoradiation. Rate of extranodular extension decreased significantly from 38.9% to 24.0% (P = .004). Rate of adjuvant therapy decreased significantly from 90.9% to 62.5% between 2011 and 2019 (P = .001). In patients who received adjuvant treatment, rate of adjuvant chemoradiation therapy decreased significantly from 40.0% to 20.0% (P < .0005). There was a decrease in rate of 1-year gastrostomy tube dependence in patients treated in 2015 to 2019 versus 2011 to 2014 (2.2% vs. 7.1%, P = .025). In 2011 to 2014, 2-year OS and DFS were 96% and 89%, respectively; in 2015 to 2019, 2-year OS and DFS were 96% and 94%, respectively. There was no difference in OS or DFS between the two time periods.

Conclusions

The rate of adjuvant therapy, particularly chemotherapy, has decreased over time. One-year gastrostomy tube dependence rate has decreased significantly from 2011 to 2014 to 2015 to 2019. There was no change in OS and DFS over this time period.

Level of Evidence

3 Laryngoscope, 2021

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Alternate dosage formulations of oral targeted anticancer agents

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J Oncol Pharm Pract. 2021 Sep 24:10781552211037976. doi: 10.1177/10781552211037976. Online ahead of print.

ABSTRACT

OBJECTIVE: Oral anticancer therapies have demonstrated superior outcomes compared to traditional cytotoxic chemotherapy in many disease states. However, certain patients may not be candidates for these agents due to odynphagia or dysphagia. The purpose of this review is to summarize the data for extemporaneous compounding of oral anticancer agents.

DATA SOURCES: Food and drug administration approvals of oncology agents were reviewed to identify oral anticancer therapies. In order to find alternative administration options: the package inserts of each of these agents were reviewed, each medication was searched in a tertiary drug information resource, the medical information teams of each drug manufacturer were contacted to inquire about proprietary data, sites with pediatric trials were contacted, a primary literature searc h was performed, and listservs for national pharmacy and oncology organizations were reviewed.

DATA SUMMARY: Eighty-five food and drug administration-approved oral anticancer therapies were identified to be included. Of those agents, nine (11%), had information in the package insert related to alternative administration. After further research, 46 (54%) of the agents had some information related to alternate formulations for administration. The recipes and stability of each of these compounds is included.

CONCLUSIONS: The majority of agents do not have Phase I or II trials that assess safety or pharmacokinetics of alternative formulations. Clinicians should exercise caution when recommending or administering these agents outside of food and drug administration-approved indicated use and utilize clinical judgment in assessing the risks and benefits of altering anticancer compounds. However, the alternative administration considerations presented can increase access to onc ology patients who have difficulty swallowing.

PMID:34558356 | DOI:10.1177/10781552211037976

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Clinical predictors of internal carotid artery blowout in patients with radiated nasopharyngeal carcinoma

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Abstract

Background

The primary objective is to identify clinical predictors of internal carotid artery (ICA) blowout in radiated nasopharyngeal carcinoma (NPC).

Methods

Seventeen ICA blowouts, 14 external carotid artery (ECA) bleeds, and 60 controls were identified from January 1, 2007 to July 31, 2020. Multinomial logistic regression was performed to identify features predictive of ICA blowouts.

Results

Headache was significantly more common among ICA blowouts than ECA bleeds and controls (58.8% vs. 7.1% vs. 6.7%, p < 0.001). The petrous skull base and sphenoid sinus lateral wall was eroded in all petrous and cavernous segment blowouts, respectively. Nasoendoscopy showing exposed clivus (OR 20.5, 95%CI 1.3–324.2) and computed tomography demonstrating skull base erosion (OR 17.8, 95%CI 1.0–311.0) were significantly associated with ICA blowouts compared to controls.

Conclusions

Findings of headache and skull base erosion on nasoendoscopy or imaging during NPC surveillance warrants prophylactic intervention to avoid an ICA blowout.

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