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Fried egg sign: A typical ultrasonography feature of neurolymphomatosis
Author(s) -
Lee YingChieh,
Huang GuoShu,
Chang WeiChou,
Hsu YiChih
Publication year - 2021
Publication title -
journal of clinical ultrasound
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.272
H-Index - 61
eISSN - 1097-0096
pISSN - 0091-2751
DOI - 10.1002/jcu.23029
Subject(s) - medicine , echogenicity , sign (mathematics) , ultrasonography , feature (linguistics) , ultrasound , lymphoma , radiology , anatomy , pathology , mathematical analysis , linguistics , philosophy , mathematics
Neurolymphomatosis (NL) is a rare condition caused by non‐Hodgkin's lymphoma or leukemia. We present a case of NL and describe ultrasound features, including the “fried egg sign” in which there is a clear demarcation between an avascular echogenic core and a hypoechoic vascularized peripheral zone that may help to distinguish NL from primary nerve sheath tumors.
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