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Background: Exogenous foreign body aspiration is a common high-risk condition in children. In a few cases, foreign body aspiration can lead to airway granulomas that interfere with tracheoscopic foreign body removal and threaten the life of the child.

Methods: This study was a retrospective analysis of the clinical data of 184 pediatric patients who were admitted to Quanzhou Children's Hospital from 2018 to 2021 with exogenous tracheobronchial foreign bodies.

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Research Question: to describe and investigate the case of an 11-year-old boy with the concomitant pneumocephalus, subcutaneous- and orbitopalpebral emphysema after the removal of a giant meningioma. Furthermore, our aim is to discuss the findings and the pathophysiology in relation to cases found in literature.

Material And Methods: We performed a search in PubMed, Cochrane, MEDLINE and Google Scholar by the usage of the words orbital or periorbital, combined with emphysema and neurosurgery.

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Subcutaneous emphysema results from air or gas being forced into the fascial spaces of subcutaneous tissue. Once the air or gas has entered the fascial spaces, it travels along connective tissue causing a mass effect and swelling. This rare complication usually presents with mild severity during the immediate postoperative period following surgical procedures of the head or neck regions and self-resolves with conservative treatment.

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Making Proteins with Electricity.

Rev Physiol Biochem Pharmacol

January 2025

Institute of Medical Sciences, University of Aberdeen, Aberdeen, Scotland, UK.

Ribosomes use multiple electrical forces to regulate new protein construction, to ensure efficient protein cotranslation, chaperoning, and folding. When these electrical regulatory forces are disrupted as in point charge mutations, specific disease occurs from aberrantly folded proteins. α1 antitrypsin deficiency is perhaps the best-known misfolded protein disease and is covered in some detail.

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Hamman's syndrome is characterized by spontaneous pneumomediastinum triggered by Valsalva maneuvers and is an uncommon complication during labor and the postpartum period. It is typically benign and managed conservatively with oxygen therapy and analgesia. We present the clinical case of a 21-year-old primigravida who developed spontaneous pneumomediastinum during labor, manifesting with subcutaneous emphysema and dyspnea.

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