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Contrast-enhanced ultrasound pattern of splenic metastases - a retrospective study in 32 patients

Neesse, A ; Huth, J ; Kunsch, S ; Michl, P ; Bert, T ; Tebbe, J J ; Gress, T M ; Görg, C

Ultraschall in der Medizin, 2010-06, Vol.31 (3), p.264-269 [Periódico revisado por pares]

Germany

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Título:
Contrast-enhanced ultrasound pattern of splenic metastases - a retrospective study in 32 patients
Autor: Neesse, A ; Huth, J ; Kunsch, S ; Michl, P ; Bert, T ; Tebbe, J J ; Gress, T M ; Görg, C
Assuntos: Adult ; Aged ; Aged, 80 and over ; Contrast Media - administration & dosage ; Diagnosis, Differential ; Female ; Humans ; Male ; Middle Aged ; Necrosis ; Retrospective Studies ; Sensitivity and Specificity ; Spleen - diagnostic imaging ; Spleen - pathology ; Splenic Diseases - diagnostic imaging ; Splenic Diseases - pathology ; Splenic Neoplasms - diagnostic imaging ; Splenic Neoplasms - pathology ; Splenic Neoplasms - secondary ; Ultrasonography
É parte de: Ultraschall in der Medizin, 2010-06, Vol.31 (3), p.264-269
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: To characterize the pattern of contrast-enhanced ultrasonography (CEUS) in splenic metastases compared to standard B-mode ultrasonography. Between January 2004 and March 2009, about 50,000 abdominal ultrasound examinations were performed, and n = 279 (< 0.6 %) of focal splenic lesions were detected of which n = 32 (11.5 %) were highly suggestive for splenic metastases of various solid tumors. The number of lesions, size, echogenicity, rim appearance, presence of halo sign and necrosis were recorded via B-mode sonography. Contrast enhancement was determined in the arterial phase (5 - 30 sec) and parenchymal phase (3 - 5 min). B-mode sonography and CEUS were compared in terms of the visibility of splenic metastases. All data was evaluated retrospectively. On B-mode sonography lesions were solitary n = 18 (56 %), multiple n = 14 (44 %), < 2 cm n = 11 (34 %), > or = 2 cm n = 21 (66 %), hypoechoic n = 14 (44 %), isoechoic n = 12 (38 %) and hyperechoic n = 6 (19 %), with regular rim appearance n = 27 (84 %), and with irregular rim appearance n = 5 (16 %). During the arterial phase CEUS lesions were hypoechoic n = 21 (66 %), isoechoic n = 2 (6 %), hyperechoic n = 1 (3 %) and complex n = 8 (25 %). During the parenchymal phase lesions were hypoechoic n = 24 (75 %) and complex n = 8 (25 %). CEUS provided improved visualization of splenic metastases in n = 12 (38 %) cases. CEUS of splenic metastases is characterized by reduced contrast enhancement in both the arterial and the parenchymal phase in most cases. Moreover, CEUS improved the visualization of splenic metastases in about 40 % of cases in comparison to standard B-mode sonography.
Editor: Germany
Idioma: Inglês

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Contrast-enhanced ultrasound pattern of splenic metastases - a retrospective study in 32 patients

Neesse, A ; Huth, J ; Kunsch, S ; Michl, P ; Bert, T ; Tebbe, J J ; Gress, T M ; Görg, C

Germany

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