Thoracic Splenosis After Thoracoabdominal Trauma Presenting as Pleural Nodules

A tumorlike condition of the pleura is any nonmalignant lesion of the pleura or within the pleural space that could be confused with a pleural tumor on initial imaging. Tumorlike conditions of the pleura are relatively rare compared with neoplastic lesions such as mesotheliomas and metastases. Imaging-based diagnosis of these conditions can be difficult due to the similarity of appearance. Thus, recognition of certain imaging patterns and interpretation of these patterns in the clinical context are important. Pleural endometriosis, thoracic splenosis, thoracolithiasis, foreign bodies, pleural pseudotumors and pleural plaques are significant examples of focal tumorlike conditions discussed in this article. Computed tomography is the mainstay imaging technique for the primary assessment of pleural disease, but other imaging methods, such as magnetic resonance imaging and positron-emission tomography, can be of great support in the diagnosis.

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“…2), although some may be larger and form masses [39,40]. Uncomplicated cases are not associated with pleural effusion.…”

Section: Thoracic Splenosismentioning

confidence: 93%

“…The density of the splenic implants (in Hounsfield units) is similar to that of normal spleen [28]. Radiological follow-up may show slow growth or regression of the nodules [39].…”

Section: Thoracic Splenosismentioning

confidence: 97%

Focal pleural tumorlike conditions: Nodules and masses beyond mesotheliomas and metastasis

Paula

Escuissato

Belém

et al. 2015

Respiratory Medicine

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“…5) [33]. The absence of the spleen in the left upper quadrant is a notable associated finding [32]. c Axial fat-suppressed T1-WI after paramagnetic contrast administration shows a lung tumor (arrow heads) and pleural nodules (black arrows) with contrast enhancement.…”

Section: Splenosismentioning

confidence: 96%

“…MRI typically displays a well-delineated formation with low signal intensity on T1-WI and very high signal intensity on T2-WI. However, low signal intensity of structures on T2-WI has also been reported [27][28][29][30][31][32].…”

Section: Textilomasmentioning

confidence: 98%

“…The basic pathogenesis of splenosis involves a splenic implant onto a serosal surface with the aid of adult spleen reticulum cells, which retain the potential for differentiation into various splenic elements. This condition may occur on the parietal or visceral pleura, appearing as multiple or solitary pleural-based nodules B3 cm in diameter (some may be larger and form masses) [32,33].…”

Section: Splenosismentioning

confidence: 99%

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Applications of Magnetic Resonance Imaging of the Thorax in Pleural Diseases: A State-of-the-Art Review

Pessôa

Melo

Souza

et al. 2016

Lung

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The aim of this review was to present the main aspects of pleural diseases seen with conventional and advanced magnetic resonance imaging (MRI) techniques. This modality is considered to be the gold standard for the evaluation of the pleural interface, characterization of complex pleural effusion, and identification of exudate and hemorrhage, as well as in the analysis of superior sulcus tumors, as it enables more accurate staging. The indication for MRI of the thorax in the identification of these conditions is increasing in comparison to computerized tomography, and it can also be used to support the diagnosis of pulmonary illnesses. This literature review describes the morphological and functional aspects of the main benign and malignant pleural diseases assessed with MRI, including mesothelioma, metastasis, lymphoma, fibroma, lipoma, endometriosis, asbestos-related pleural disease, empyema, textiloma, and splenosis.

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Non-infectious Benign Diseases of the Pleura

Weissferdt

2020

Diagnostic Thoracic Pathology

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Thoracic Splenosis After Thoracoabdominal Trauma Presenting as Pleural Nodules

Cited by 6 publications

References 2 publications

Focal pleural tumorlike conditions: Nodules and masses beyond mesotheliomas and metastasis

Focal pleural tumorlike conditions: Nodules and masses beyond mesotheliomas and metastasis

Applications of Magnetic Resonance Imaging of the Thorax in Pleural Diseases: A State-of-the-Art Review

Non-infectious Benign Diseases of the Pleura

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