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. 2009:2009:bcr09.2008.0898.
doi: 10.1136/bcr.09.2008.0898. Epub 2009 Mar 24.

Primary leiomyoma of the liver: accurate preoperative diagnosis on liver biopsy

Helena T Sousa  1 , Francisco Portela, Luis Semedo, Emanuel Furtado, Carol Marinho, Maria A Cipriano, Maximino C Leitão
Affiliations

Primary leiomyoma of the liver: accurate preoperative diagnosis on liver biopsy

Helena T Sousa et al. BMJ Case Rep. 2009.

Abstract

Primary leiomyoma of the liver is an exceptionally rare tumour in non-immunocompromised patients. Preoperative diagnosis of the lesion is difficult as complete imaging of this type of lesion is scarcely defined and preoperative biopsy was not the practice in previously reported cases. We report a voluminous primary leiomyoma of the liver occurring in a healthy middle-aged woman where a preoperative diagnosis was accurately achieved on biopsy. Because of its size, surgery was undertaken for exclusion of malignancy. A 16-month uneventful follow-up has been completed. We discuss the advantage of a preoperative diagnosis and propose that an imaging-guided liver biopsy should be undertaken, provided malignancy features are absent. This could prevent liver surgery merely for diagnostic purposes. Finally, we report imaging features that have not been previously described, namely on magnetic resonance imaging, which may provide an insight about the nature of this particular lesion and, advantageously, contribute toward a non-invasive diagnosis.

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Figures

Figure 1
Figure 1
Computed tomography: (A) Unenhanced examination shows a slightly hypoattenuating left lobe mass. (B–D) In the dynamic study the lesion demonstrates a marked, progressive and homogeneous enhancement throughout the liver enhancement phases.
Figure 2
Figure 2
Magnetic resonance imaging: (A) T2-weighted fat-suppressed sequence depicts a low signal intensity mass in the left liver lobe, which is also hypointense in the T1-weighted image (B). In the dynamic study (C–E) it reveals a marked, progressive enhancement throughout the liver enhancement phases.
Figure 3
Figure 3
Primary leiomyoma of the liver. (A) In situ. Hepatic left lobe in view. (B) Macroscopic examination (in section).
Figure 4
Figure 4
Primary leiomyoma of the liver staining characterisation. (A) Haematoxylin–eosin, ×400. (B) AML, ×200. (C) HHF35, ×400. (D) Vimentin, ×400.
See this image and copyright information in PMC

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