case_images: PMC10750505_01
case_images: Contrast-enhanced CT of the abdomen showing renal tumour arising from the superior pole of the left kidney. (White arrow - lower pole of the kidney, black arrow - tumour with a necrotic centre.)
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case_images: Contrast-enhanced computed tomography (CT) revealed a renal mass arising from the upper pole of the left kidney without focal invasion or distal metastasis suggestive of stage I CMN (Figure 1).
case_images: Histological specimen - H&E staining of the nephrectomy specimen showing cellular proliferation and spindle cells.
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case_images: Glomeruli were entrapped among the tumour cells with no evidence of necrosis (Figure 2).
case_images: Immunohistochemistry of the renal biopsy showing strong diffuse CD 99 positivity.
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case_images: Chest X-ray showing opacity in the right hemi-thorax with irregular margins, occupying the middle and lower lung zones.
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case_images: Chest X-ray demonstrated an opacity in the right hemi-thorax with tracheal deviation to left side (Figure 4).
case_images: Contrast-enhanced CT of the chest showing large lesion with necrotic centre in the right hemi-thorax (arrow).
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case_images: Right lower lobe bronchus was compressed by the mass with collapse consolidation of the right lower lobe (Figure 5).
case_images: Histological specimen - H&E staining of the lung mass biopsy specimen showing cellular proliferation and spindle cells suggestive of deposits from the CMN.
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case_images: Histology report from the lung mass biopsy showed a highly cellular tumour similar to previous histology, likely a deposit from the previously resected mesoblastic nephroma (Figure 6).