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Titolo:
Hepatic hemangioma: contrast-enhancement pattern during the arterial and portal venous phases of spiral CT
Autore:
Yun, EJ; Choi, BI; Han, JK; Jang, HJ; Kim, TK; Yeon, KM; Han, MC;
Indirizzi:
Seouleaatl Univ, Coll Med, Dept Radiol, Chongno Ku, Seoul 110744, South Kor Seoul Natl Univ Seoul South Korea 110744 gno Ku, Seoul 110744, South Kor
Titolo Testata:
ABDOMINAL IMAGING
fascicolo: 3, volume: 24, anno: 1999,
pagine: 262 - 266
SICI:
0942-8925(199905/06)24:3<262:HHCPDT>2.0.ZU;2-2
Fonte:
ISI
Lingua:
ENG
Soggetto:
COMPUTED-TOMOGRAPHY; CAVERNOUS HEMANGIOMA; LIVER; TUMORS; ANGIOGRAPHY; DIAGNOSIS; ABDOMEN;
Keywords:
liver, CT; liver, neoplasm; hemangioma;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
21
Recensione:
Indirizzi per estratti:
Indirizzo: Choi, BI Seoul10744,Univ, Coll Med, Dept Radiol, Chongno Ku, 28 Yongon Dong, Seoul 1 Seoul Natl Univ 28 Yongon Dong Seoul South Korea 110744 Seoul 1
Citazione:
E.J. Yun et al., "Hepatic hemangioma: contrast-enhancement pattern during the arterial and portal venous phases of spiral CT", ABDOM IMAG, 24(3), 1999, pp. 262-266

Abstract

The objective of the present study was to evaluate contrast-enhancement patterns of hepatic hemangioma according to size during hepatic arterial (30-s delay) and portal venous (65-s delay) phases of spiral computed tomography (CT). During a 10-month-period, 73 patients with 118 hemangiomas underwent two-phase spiral CT examination. The enhancement patterns of tumors were divided into four types based on the attenuation of surrounding liver parenchyma: peripherally nodular high, uniform high, iso, and low. The diameter of the tumors were <10 mm (n = 39), 11-20 mm (n = 33), and >21 mm (n = 46). Overall, the most common enhancement patterns of hemangioma were peripherally nodular high (66/118, 55.9%) during the arterial and portal venous phases. The second most common contrast-enhancement patterns of hemangioma wereuniform high (15/118, 12.7%) during the arterial and portal venous phases. In tumors smaller than 20 mm, 11 (9.3%) had low-low attenuation and two (1.7%) had iso-low attenuation during the arterial and portal venous phases, respectively. In conclusion, at two-phase spiral CT, the most common contrast-enhancement patterns of hemangioma are peripherally nodular high and/or uniform high during the arterial and portal venous phases. However, hemangiomas smaller than 2 cm may have atypical enhancing patterns including low and iso-attenuation.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 07/04/20 alle ore 22:40:19