case_images: PMC10775723_01
case_images: Histopathological studies showed that the tumor tissue consisted of hematopoietic cells including megakaryocytes, erythroid precursors, and myeloid precursors.
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case_images: A complete blood count showed a slightly elevated red blood cell count and hemoglobin level followed by a slight decrease, with the majority of values within the normal range (Figure 1).
case_images: Slightly elevated red blood cell count and hemoglobin level followed by a slight decrease, with the majority of values within the normal range.
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case_images: The density of the mass on CT imaging was approximately 60 Hounsfield units, indicating that it had a solid composition (Figure 2).
case_images: Contrast-enhanced computed tomography examination of the chest revealed a lateral mass (60 HU) measuring 28 x 32 mm on the right side of the 10th thoracic vertebra of the posterior mediastinum.
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case_images: These findings collectively established the diagnosis of posterior mediastinal EMH (Figure 3).