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Case report: A rare case of urinary myiasis induced by the fourth instar larvae of Telmatoscopus albipunctatus.

ABSTRACT: Telmatoscopus albipunctatus, a cosmopolitan fly, is widely distributed throughout moist environments. It is one of the most medically important insects (especially in urban environments) that may potentially cause myiasis. Urinary myiasis and other sites of infestation, including the intestine, nasal passages, lung, and derma, have been reported. This is the first case report of a Chinese middlescent woman infected with T. albipunctatus in Guangzhou, China. In the present report, a 50-year-old woman came to The Third Affiliated Hospital of Southern Medical University, Guangzhou, China, because larvae were found when urinating in the morning; this had occurred every two days within the past two months. She complained of frequent micturition and urgency. Urine tests indicated that all indexes were normal except for slight urinary tract infection. Subsequently, the larvae were sent to the diagnostic section for parasitic infection in the Department of Parasitology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China. The stereoscopic microscope and transmission electron microscope were used for morphological observation. On this basis, the cytochrome oxidase subunit 1 (COX1) gene was specifically amplified by PCR. Sequence analysis of the PCR product and phylogenetic analysis were used to identify the species. Morphological analysis combined with molecular biology methods indicated that the insect was the fourth instar larvae of T. albipunctatus. Our results show that this was a case of a 50-year-old woman infected with T. albipunctatus larvae in her urinary tract, and the findings suggest that clinicians should be vigilant for this infection.

SUBMITTER: Zhang B

PROVIDER: S-EPMC5720511 | biostudies-literature | 2017 Dec

REPOSITORIES: biostudies-literature

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Case report: A rare case of urinary myiasis induced by the fourth instar larvae of Telmatoscopus albipunctatus.

Zhang Beibei B Wang Lifu L Liu Jiahua J Xu Lian L Song Langui L Wu Xiaoying X Sun Xi X Wu Zhongdao Z

PLoS neglected tropical diseases 20171207 12

Telmatoscopus albipunctatus, a cosmopolitan fly, is widely distributed throughout moist environments. It is one of the most medically important insects (especially in urban environments) that may potentially cause myiasis. Urinary myiasis and other sites of infestation, including the intestine, nasal passages, lung, and derma, have been reported. This is the first case report of a Chinese middlescent woman infected with T. albipunctatus in Guangzhou, China. In the present report, a 50-year-old w ...[more]

PMID: 29216181

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Project description:Introduction and importance Subarachnoid hemorrhage (SAH) is mostly associated with head trauma. Non-traumatic subarachnoid hemorrhage is mostly due to vascular abnormalities: either hemorrhage from ruptured aneurysm or bleeding from arteriovenous malformation. Aneurysmal hemorrhage is the biggest cause in non-traumatic cases. Warfarin is associated with cerebral intraparenchymal hemorrhage, but it is rarely associated with SAH. Case presentation Here, we report the case of a 45-year-old male patient who was admitted to the neurology ward of our hospital due to acute ischemic stroke. The patient was treated with a vitamin K antagonist (warfarin). However, on the third day, his condition deteriorated (his GCS regressed from 11/15 to 5/15). His pupils were anisocoric. Brain CT showed extensive subarachnoid hemorrhage without intraparenchymal involvement. Cerebral magnetic resonance angiography ruled out aneurysmal rupture. The patient was intubated and transferred to the intensive care unit. Due to his poor condition, neurosurgical intervention could not be done. The patient was managed conservatively, but the patient passed away 4 days later in the intensive care unit. Clinical discussion Non-traumatic SAH is mostly caused by aneurysmal rupture. Warfarin increases the risk of intracranial hemorrhage and mostly causes intraparenchymal hemorrhage. Isolated warfarin-related SAH without parenchymal involvement is a rare event. Here we present a young male patient with an isolated warfarin-induced SAH. Conclusion Warfarin is rarely associated with isolated subarachnoid hemorrhage. This case highlights a young male patient with spontaneous SAH after warfarin therapy for acute ischemic stroke. Aneurysmal rupture and trauma should be excluded before a diagnosis of warfarin-induced SAH is made. Highlights • Non-traumatic subarachnoid hemorrhage (SAH) is mostly caused by aneurysmal rupture.• Warfarin increases the risk of intracranial hemorrhage and mostly causes intraparenchymal hemorrhage. Isolated warfarin-related SAH without parenchymal involvement is a rare event.• Here we present a young male patient with isolated SAH due to warfarin treatment for acute ischemic stroke.

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Case report: A rare case of urinary myiasis induced by the fourth instar larvae of Telmatoscopus albipunctatus.

Publications

Case report: A rare case of urinary myiasis induced by the fourth instar larvae of Telmatoscopus albipunctatus.

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