Wednesday, November 18, 2020

COVID-19 and the return to head and neck outpatient activity in the United Kingdom: what is the new normal?

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COVID-19 and the return to head and neck outpatient activity in the United Kingdom: what is the new normal?

Eur Arch Otorhinolaryngol. 2020 Nov 06;:

Authors: Bola S, Jaikaransingh D, Winter SC

Abstract
PURPOSE: As surgical specialties now begin the graduated return to elective activity and face-to-face clinics, this paper investigates the current head and neck outpatient practices across the United Kingdom.
METHODS: A cross-sectional study comprised of an online 20-item survey was distributed to members of the British Association of Head & Neck Oncologists (BAHNO). The survey was open on a web-based platform and covered topics including safety measures for patients, protective equipment for healthcare staff and protocols for the use of flexible nasendoscopy in the clinic.
RESULTS: The survey was completed by 117 participants covering 66 NHS Trusts across the UK. There was a significant reduction in face-to-face Otolaryngology, Maxillofacial and Speech and Language clinic patients when compared to pre-pandemic numbers (p < 0.0001). Risk assessments for flexible nasendoscopy were done for 69% of clinics and 58% had an established protocol. Room downtime after flexible nasendoscopy ranged from 0 to 6 h and there was a significant increase in allocated downtime after a patient had coughed/sneezed (p < 0.001). Natural ventilation existed in 36% of clinics and the majority of responders didn't know the Air Change Per Hour (ACPH) of the clinic room (77%). Where ACPH was known, it often did not match the allocated room downtime.
CONCLUSION: There is a wide variation in outpatient activity across the United Kingdom, but adaptations are being made to try and maintain staff and patient safety. However, more can still be done by liaising with allied teams to clarify outpatient protocols.

PMID: 33159248 [PubMed - as supplied by publisher]

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Olfactory taste disorder as a presenting symptom of COVID-19: a large single-center Singapore study.

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Olfactory taste disorder as a presenting symptom of COVID-19: a large single-center Singapore study.

Eur Arch Otorhinolaryngol. 2020 Nov 07;:

Authors: Tham AC, Thein TL, Lee CS, Tan GSE, Manauis CM, Siow JK, Leo YS, Lim MY

Abstract
PURPOSE: To investigate the prevalence and epidemiological risk factors of olfactory and/or taste disorder (OTD), in particular isolated OTD, in patients with laboratory-confirmed COVID-19 infection.
METHODS: We conducted a retrospective and cross-sectional study. Patients with laboratory-confirmed COVID-19 infection were recruited from the National Centre for Infectious Diseases (NCID) Singapore between 24 March 2020 and 16 April 2020. The electronic health records of these patients were accessed, and demographic data and symptoms reported (respiratory, self-reported OTD and other symptoms such as headache, myalgia and lethargy) were collected.
RESULTS: A total of 1065 patients with laboratory-confirmed COVID-19 were recruited. Overall, the prevalence of OTD was 12.6%. Twelve patients (1.1%) had isolated OTD. The top three symptoms associated with OTD were cough, fever and sore throat. The symptoms of runny nose and blocked nose were experienced by only 29.8 and 19.3% of patients, respectively. Multivariate analysis demonstrated that the female gender, presence of blocked nose and absence of fever were significantly associated with OTD (adjusted relative risks 1.77, 3.31, 0.42, respectively). All these factors were statistically significant.
CONCLUSION: Patients with COVID-19 infection can present with OTD, either in isolation or in combination with other general symptoms. Certain demographic profile, such as being female, and symptomatology such as the presence of blocked nose and absence of fever, were more likely to have OTD when infected by COVID-19. Further studies to elucidate the pathophysiology of OTD in these patients will be beneficial.

PMID: 33159556 [PubMed - as supplied by publisher]

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American Journal of Cancer Research; +29 new citations

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29 new pubmed citations were retrieved for your search. Click on the search hyperlink below to display the complete search results:

American Journal of Cancer Research

These pubmed results were generated on 2020/11/10

PubMed comprises more than millions of citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full-text content from PubMed Central and publisher web sites.

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Metastatic Poorly Differentiated Thyroid Cancer With Heterogeneous Distribution of 18F-FDG,68Ga-DOTATATE, and 68Ga-PSMA on PET/CT.

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Metastatic Poorly Differentiated Thyroid Cancer With Heterogeneous Distribution of 18F-FDG,68Ga-DOTATATE, and 68Ga-PSMA on PET/CT.

Clin Nucl Med. 2020 Nov 03;:

Authors: Civan C, Isik EG, Simsek DH

Abstract
We present a case of a 55-year-old man with a history of poorly differentiated metastatic thyroid cancer, which is rare and shows aggressive behavior. The patient had radioactive iodine-negative multiple metastasis on F-FDGPET/CT, therefore Ga-DOTATATE and Ga-PSMA PET/CT were performed whether an opportunity exist for DOTATATE or PSMA-directed radionuclide therapy. Different patterns of tumoral uptakes were detected on F-FDG, Ga-DOTATATE, and Ga-PSMA PET/CT, as a demonstration of tumor heterogeneity.

PMID: 33156050 [PubMed - as supplied by publisher]

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Non-Coding RNAs: Uncharted Mediators of Thyroid Cancer Pathogenesis.

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Non-Coding RNAs: Uncharted Mediators of Thyroid Cancer Pathogenesis.

Cancers (Basel). 2020 Nov 04;12(11):

Authors: Tabatabaeian H, Peiling Yang S, Tay Y

Abstract
Thyroid cancer is the most prevalent malignancy of the endocrine system and the ninth most common cancer globally. Despite the advances in the management of thyroid cancer, there are critical issues with the diagnosis and treatment of thyroid cancer that result in the poor overall survival of undifferentiated and metastatic thyroid cancer patients. Recent studies have revealed the role of different non-coding RNAs (ncRNAs), such as microRNAs (miRNAs), long non-coding RNAs (lncRNAs) and circular RNAs (circRNAs) that are dysregulated during thyroid cancer development or the acquisition of resistance to therapeutics, and may play key roles in treatment failure and poor prognosis of the thyroid cancer patients. Here, we systematically review the emerging roles and molecular mechanisms of ncRNAs that regulate thyroid tumorigenesis and drug response. We then propose the potential clinical implications of ncRNAs as novel diagnostic and prognostic biomarkers for thyroid cancer.

PMID: 33158279 [PubMed]

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A novel combination of percutaneous stenting with iodine-125 seed implantation and chemotherapy for the treatment of pancreatic head cancer with obstructive jaundice.

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A novel combination of percutaneous stenting with iodine-125 seed implantation and chemotherapy for the treatment of pancreatic head cancer with obstructive jaundice.

Brachytherapy. 2020 Nov 03;:

Authors: Chi Z, Chen L, Huang J, Jiang N, Zheng Q, Huang N, Yang W

Abstract
PURPOSE: Insertion of radioactive strips through the biliary stent has been reported to offer longer survival and patency than an uncovered conventional self-expanding metal stent in patients with unresectable malignant biliary obstruction. The aim of this study was to investigate the safety and effectiveness of intraluminal brachytherapy combined with 125I seed implantation and transarterial infusion chemotherapy for the treatment of pancreatic head cancer with obstructive jaundice.
METHOD: From October 2012 to January 2018, 21 consecutive patients diagnosed with biliary obstruction caused by locally advanced, nonmetastatic pancreatic cancer with cytologically or histologically confirmed by biopsy were enrolled and receive treatment with intraluminal brachytherapy using 125I seed strand and CT-guided percutaneous radioactive seed implantation therapy. The procedure-related and radiation complications were assessed. The outcomes were measured in terms of stent patency, patient survival, complications related to the procedure.
RESULT: One of the 22 patients (4.5%, 1/22) with pancreatic head cancer failed to perform the above procedure because the guidewire was unable to pass through the obstruction segment. The remaining 21 patients (95.5%, 21/22) with pancreatic head cancer with obstructive jaundice were successfully placed with biliary stents and radioactive strips through drainage tubes. The median number of 125I seeds loaded was 15, ranging from 12 to 17. After the chemotherapy with gemcitabine and cisplatin, no adverse reaction of Grade Ⅲ ∼ Ⅳ occurred in all cases. Median stent patency was 12.50 months (95% CI: 10.26, 14.74). By May 2019, all 21 patients had died, with overall survival of 5.2-23.3 months, with a median survival of 13.20 months (95% CI: 10.96, 15.44).
CONCLUSION: Percutaneous 125I seed implantation combined with insertion of radioactive strips through the biliary stent has the characteristics of less trauma, fewer complications, simple operation, and so on. These procedures bring remission of obstructive jaundice combined with the increased survival for the treatment of obstructive jaundice caused by unresectable pancreatic head cancer if follow-up chemotherapy is carried out. The long-term efficacy of this treatment combination needs to be confirmed by further multicenter, large sample size prospective randomized controlled studies.

PMID: 33158777 [PubMed - as supplied by publisher]

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Early Sialadenitis After Radioactive Iodine Therapy for Differentiated Thyroid Cancer: Prevalence and Predictors.

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Early Sialadenitis After Radioactive Iodine Therapy for Differentiated Thyroid Cancer: Prevalence and Predictors.

Int J Endocrinol. 2020;2020:8649794

Authors: Riachy R, Ghazal N, Haidar MB, Elamine A, Nasrallah MP

Abstract
Introduction: Sialadenitis is a frequent occurrence after radioactive iodine therapy (RAI). However, reports on its predictors and risk factors in the Eastern Mediterranean Region (EMRO) are scarce.
Aim: This study aimed to identify risk factors for early sialadenitis in patients receiving RAI for differentiated thyroid cancer (DTC) at the American University of Beirut Medical Center. It also aimed to determine the prevalence and characteristics of such patients receiving RAI at our institution.
Methods: This was a retrospective study conducted at the American University of Beirut Medical Center. Medical charts were reviewed for all patients 18-79 years of age admitted to receive RAI for DTC between 01/01/2012 and 31/12/2015. Sialadenitis was deemed present if there were any records of neck swelling/pain, dry mouth, or difficulty swallowing within 48 hours of RAI administration. Characteristics between patients with sialadenitis and those without were compared to determine predictors.
Results: There were 174 patients admitted to receive RAI, predominantly females (71.3%), with papillary thyroid cancer (93.1%). The majority had lymph node involvement (64.5%). Pretreatment thyroid stimulating hormone (TSH) was greater than 75 mIU/ml in most patients (72.6%). The prevalence of sialadenitis was 20.1% (95% CI (15-27)). Being non-Lebanese and having a positive whole-body scan were associated with sialadenitis and persisted after adjustments (OR = 2.34 and 3.99). Non-Lebanese patients had higher rates of lymph nodes involvement (p value 0.005) and were kept off levothyroxine for longer periods (p value 0.02).
Conclusion: The prevalence of sialadenitis at our institution was similar to other reported studies from the world. However, risk factors allude to more iodine exposure in the neck with positive whole-body scan uptake, lymph node involvement, and prolonged period of hypothyroidism.

PMID: 33163074 [PubMed]

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Standard of care for adult Wilms tumor? From adult urologist to pediatric oncologist. A retrospective review.

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Standard of care for adult Wilms tumor? From adult urologist to pediatric oncologist. A retrospective review.

Bull Cancer. 2020 Oct 28;:

Authors: Sudour-Bonnange H, Coulomb-Lherminé A, Fantoni JC, Escande A, Brisse HJ, Thebaud E, Verschuur A

Abstract
Nephroblastoma or Wilms tumor, a common embryonal tumor in children, can occasionally occur in adults. The survival of patients older than 18 years is reported to be significantly inferior to that of pediatric patients. Establishing a diagnosis for these rare tumors can be challenging for both clinicians and pathologists, who are not accustomed to considering Wilms tumor as a potential differential in adults. This leads to misdiagnosis and a subsequent delay in the initiation of appropriate therapy. The standard of care is not well established for Wilms tumors in adults. We provide here a comprehensive review of the international literature on the subject with the current management protocols in France. We also propose the need of strong inter-disciplinary collaboration between surgeons, pathologists, and medical and pediatric oncologists for increasing knowledge and formulating treatment strategies for these rare tumors. Homogenous guidelines for treating adults with Wilms t umors have been proposed for all patients in France.

PMID: 33129487 [PubMed - as supplied by publisher]

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[What's new in the management of meningeal solitary fibrous tumor/hemangiopericytoma?]

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[What's new in the management of meningeal solitary fibrous tumor/hemangiopericytoma?]

Bull Cancer. 2020 Nov 04;:

Authors: Lottin M, Escande A, Peyre M, Sevestre H, Maurage CA, Chauffert B, Penel N

Abstract
Meningeal fibrous solitary tumors/hemangiopericytoma are rare and aggressive mesenchymal neoplasms considered as sarcomas. They represent less than 1% of intracranial tumors and derive from the pericytes of Zimmerman which permit capillary contraction. They tend to occur more often in males in the fifth decade. They are often revealed by intracranial hypertension. Some scannographic and MRI characteristics permit to distinguish meningeal fibrous solitary tumor/hemangiopericytoma from other meningeal tumors. Meningeal hemangiopericytoma and fibrous solitary tumors were considered as different entities until 2016. Following the discovery of an identical genetic event, the locus 12q13 chromosome inversion leading to a NAB2-STAT6 fusion with nuclear immunoreactivity for STAT6 protein, the 2016 WHO classification defines these tumors as a single entity. Meningeal fibrous solitary tumors/hemangiopericytoma have a high recurrence rate. Long-term recurrences may occur. Local relapses are more frequent than extracranial metastasis. A multimodal management is recommended to treat a localized disease. It involves a complete resection followed by adjuvant radiotherapy. When local recurrences occur, surgery or stereotactic radiosurgery permit sometimes a local control. Metastatic disease has a poor prognostic and a weak chimiosensitivity. Targeted therapies, like pazopanib, are a hopeful option.

PMID: 33160607 [PubMed - as supplied by publisher]

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Misdiagnosis of Spontaneous Intracranial Hypotension Presenting as Acute Mental Deterioration Caused by Unilateral Acute Subdural Hematoma: Case Report.

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Misdiagnosis of Spontaneous Intracranial Hypotension Presenting as Acute Mental Deterioration Caused by Unilateral Acute Subdural Hematoma: Case Report.

Korean J Neurotrauma. 2020 Oct;16(2):254-261

Authors: Shim HK, Park YK

Abstract
Spontaneous intracranial hypotension (SIH) is usually a benign disease which mostly present as orthostatic headache and resolves by conservative treatment or epidural blood patch. However, in severe cases large subdural hematoma or brain caudal herniation can progress to brain herniation and neurologic complications. We introduce a rare case of SIH which presented as acute mental deterioration with unilateral acute subdural hematoma. A 60 years old female visited to emergency room for stuporous mental change and unilateral acute subdural hematoma. Decompressive craniectomy and hematoma removal was performed to release brain herniation and increased intracranial pressure. There was temporary improvement of consciousness, but sustained leakage of cerebrospinal fluid (CSF) and caudal brain herniation worsened patient's condition. After recognizing that CSF leakage and hypovolemia was the underlying disease, emergent epidural blood patch and early cranioplasty was performed. Afte r treatment CSF volume was normalized and patient recovered completely without neurologic deficits. Acute mental deterioration with unilateral subdural hematoma is a rare presentation for SIH. Treatment strategy for subdural hematoma with concomitant SIH patients, should be planned carefully with concerns to CSF hypovolemia and intracranial pressure.

PMID: 33163434 [PubMed]

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How to Find Dural Defect of Spinal Extradural Arachnoid Cyst.

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How to Find Dural Defect of Spinal Extradural Arachnoid Cyst.

Korean J Neurotrauma. 2020 Oct;16(2):360-366

Authors: Lee SW, Choi SW, Lim J, Youm JY, Kwon HJ, Koh HS, Kim SH

Abstract
Spinal extradural arachnoid cysts (SEACs) are rare and usually asymptomatic, and they usually do not require surgical treatment. If symptoms manifest, however, surgical treatment is required. A 25-year-old male patient complained of impotence upon admission. Magnetic resonance images (MRIs) of his lumbar spine showed a SEAC located longitudinally from the T11 to L3, which was accompanied by thecal sac compression. Verifying the location of the dural defect is crucial for minimizing surgical treatments. Cystography, myelography, and lumbar spine MRI were conducted to locate the leak in real-time; however, it was not found. Hence, the location of the cerebrospinal fluid leak was estimated based on cystography, computed tomography, myelography, and MRI findings. We suggest that the region with the earliest contrast-filling, as well as the middle and widest area of the cyst, may correspond to the location of the dural defect.

PMID: 33163451 [PubMed]

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