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Intracranial Rupture of an Intradiploic Dermoid Cyst Resembling an Erupting Volcano: A Case Report.
J Korean Soc Radiol
November 2024
Department of Trauma & Emergency, All India Institute of Medical Sciences (AIIMS), Bhopal, India.
Dermoid cysts originate from embryonic tissues trapped in the cranial fusion lines and typically manifest extra-axially. However, intradiploic dermoid cysts are rare among cranial tumors, and their rupture has been sparsely documented. We present a case showcasing a remarkable phenomenon-the spontaneous rupture of an intradiploic dermoid cyst into the subarachnoid space, displaying a distinct "volcano-like" appearance on CT and MRI scans.
View Article and Find Full Text PDFVolcano-like ruptured posterior mitral valve aneurysm due to infective endocarditis caused by Streptococcus agalactiae.
J Echocardiogr
September 2021
Department of Cardiology, Matsue Red Cross Hospital, 200 Horo-machi, Matsue, Shimane, 690-8506, Japan.
Morphodynamic interpretation of acute coronary thrombosis, with special reference to volcano-like eruption of atheromatous plaque caused by coronary artery spasm.
Angiology
June 1988
Department of Pathology, Methodist Hospital, Brookly, New York.
Routine autopsy studies of hearts with coronary thrombosis, collected over a period of eleven years, showed unique morphologic features of rupture of soft atheromatous plaques. These features include: (1) irregular luminar outline: angulation, invagination, upheaval, and/or wrinkles, (2) wavy outline of atheromatous cavity, (3) volcano-like rupture with seepage or gushing of semiliquid atheromatous contents into lumen, (4) cholesterol crystals arranged in rheologic vector direction, (5) rupture of deeper intimal fibrous tissue, (6) one or multiple intimal upheavals, (7) focal thickening of contracted media, (8) vestige of volcano-like eruption with organized thrombus, and (9) old thrombotic occlusion with wavy appearance of thick intimal fibrous tissue. The authors present a dynamic model of vasoconstriction or artery spasm that accounts for these features and the rupture of soft atheromatous plaques.
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