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"Caterpillar sign" in corpus callosum associated with curvilinear pericallosal lipoma in MRI: A case report.
Radiol Case Rep
May 2024
Departments of Epileptology, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan.
Lipoma of the corpus callosum, also known as pericallosal lipoma, is a rare congenital brain abnormality associated with corpus callosum dysgenesis or agenesis. Two morphological types are described: tubulonodular and curvilinear, with the latter being mostly asymptomatic. We present the case of a 30-year-old woman with epilepsy, whose magnetic resonance imaging revealed a "caterpillar sign" in the corpus callosum associated with a curvilinear pericallosal lipoma.
View Article and Find Full Text PDFQuiescent caterpillar hair: A rare cause of localised lenticular opacity formation.
Eur J Ophthalmol
March 2024
Mela Mal Sood Rotary Eye Hospital, Maranda, Palampur, Himachal Pradesh, India.
Purpose: To report a rare case of a 65 year old patient with a single caterpillar hair with localised lenticular opacity around it and no active inflammation.
Observations: A single quiescent caterpillar hair embedded in the anterior lens capsule causing localised cataract around it. There was no other sign of ocular toxicosis and the patient was unaware of the presence of this intraocular foreign body.
Endoscopic Diagnosis of Eosinophilic Esophagitis: Basics and Recent Advances.
Diagnostics (Basel)
December 2022
Department of Gastroenterology, Faculty of Medicine, Yamagata University, Yamagata 990-2321, Japan.
Article Synopsis
- * Accurate diagnosis requires the identification of eosinophil levels in esophageal tissue through endoscopy and biopsy, as there are specific endoscopic features like rings and narrowing that help in diagnosis.
- * New technologies, including advanced imaging techniques and artificial intelligence, are being developed to enhance the efficiency and accuracy of endoscopic assessments for EoE.
Changes in metabolism and antioxidant systems during tropical diapause in the sunflower caterpillar Chlosyne lacinia (Lepidoptera: Nymphalidae).
Insect Biochem Mol Biol
July 2021
Departamento de Biologia Celular, Universidade de Brasília, Brasília, Brazil. Electronic address:
Insect diapause shares many biochemical features with other states of metabolic depression, including the suppression of global metabolism, reorganization of metabolic pathways and improved stress resistance. However, little is known about the biochemical changes associated with the diapause phenotype in tropical insects. To investigate biochemical adaptations associated with tropical diapause, we measured the activities of metabolic and antioxidant enzymes, as well as glutathione levels, in the sunflower caterpillar Chlosyne lacinia at different times after initiation of diapause (<1, 20, 40, 60, and 120 days) and after arousal from diapause.
View Article and Find Full Text PDFThe "caterpillar sign": a novel endoscopic indicator of eosinophilic esophagitis.
Esophagus
January 2021
Division of Gastroenterology, Department of Internal Medicine 2, Kawasaki Medical School, Okayama, Japan.
Background: Although several endoscopic findings of eosinophilic esophagitis (EoE), such as the EoE endoscopic reference score (EREFS), have been reported thus far, these endoscopic findings exhibit low specificity. Furthermore, most of these endoscopic findings were evaluated solely in patients from Western nations. We have recently noted a fragile, protruded mucosal lesion sandwiched between longitudinal furrows (similar to caterpillar tracks) on the esophagus in patients with EoE.
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