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PubMed · 6850256

Acute emphysematous thyroiditis.

J F Gigot·A Mannell
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Abstract

Acute emphysematous thyroiditis is a severe pyogenic infection of the thyroid gland characterized by the production of gas. Although earlier writers of the pre-antibiotic era had referred to 'gangrene of the thyroid with gas formation' (1-3), only 5 cases of gas-forming or emphysematous thyroiditis have been specifically documented. In this report, the sixth case of acute emphysematous thyroiditis is presented and the clinical features of this rare but potentially lethal infection of the thyroid gland are described. The pathogenesis and management of the disease are discussed.

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Acute DiseaseAdultEmphysemaFemaleGas GangreneHumansPregnancyPuerperal InfectionThyroiditisCase ReportsJournal Article

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BibTeXRIS

J F Gigot, A Mannell. 1983. Acute emphysematous thyroiditis.. https://doi.org/10.1002/bjs.1800700503

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Acute spermatic cord torsion alters the microcirculation of the contralateral testis.

PURPOSE: The purpose of this study was to characterize the hemodynamic changes in the contralateral testis during acute spermatic cord torsion in anesthetized rats. MATERIALS AND METHODS: We used videomicroscopy to examine the microcirculation of the contralateral testis following acute torsion. Specifically, we examined the effect on vasomotion, a rhythmic dilation and constriction of the arterioles that is involved in fluid and nutrient exchange and modulation of local vascular resistance. In a separate set of experiments, blood flow in the contralateral internal spermatic artery was measured with an ultrasonic flow probe during acute torsion. RESULTS: Following 720 degrees torsion, the amplitude of vasomotion in the contralateral testis increased 121% (29.0 +/- 3.9% versus 13.0 +/- 1.7%) compared with controls. Blood flow in the contralateral internal spermatic artery decreased 43% after 2 hours' torsion. CONCLUSIONS: Acute spermatic cord torsion altered the microcirculation by increasing the amplitude of vasomotion and decreased total blood flow to the opposite testis. Because the hydraulic resistance of a blood vessel exhibiting vasomotion is always less than a vessel with the same average but static diameter, the observed microcirculatory changes may be an adaptive response to preserve local flow in the presence of decreased total flow. The long-term consequences of these changes in the microcirculation may affect testicular function and ultimately fertility.

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