Solitary late metastasis of primary renal cell carcinoid tumor to the extraocular muscles imaged with indium-111 octreotide

Solitary late metastasis of primary renal cell carcinoid tumor to the extraocular muscles imaged with indium-111 octreotide

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A 75-year-old male presented with right eye pain and proptosis.His history was significant for renal cell carcinoma treated with left nephrectomy 2 years previously.Computed tomography (CT) imaging demonstrated a 1.6-cm enhancing lesion in the right retrobulbar itsmajorlook.com space.

Surgical biopsy revealed a low-grade metastatic carcinoid tumor.At retrospective review, the primary renal lesion from 2 years prior was rediagnosed as consistent with a renal carcinoid tumor.Indium-111 octreotide single photon emission CT/CT imaging demonstrated a solitary metastasis catherine lansfield ombre rainbow clouds eyelet curtains within the right extraocular muscles.The patient subsequently developed additional metastases within the remaining right kidney and lung.