Pulmonary Embolism Detected by Bone Scintigraphy in a Patient With Intrahepatic Cholangiocarcinoma.

Messerschmidt, Konstantin; Witt, Robin; Krischer, Lucas; Sabri, Osama; Hesse, Swen · Clin Nucl Med · 2023

case_report · Level V

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Abstract

A 99m Tc-DPD bone scintigraphy with SPECT/CT was performed in a 64-year-old woman with intrahepatic cholangiocarcinoma to exclude osseous metastases. The images demonstrated central focal tracer uptake in the left lung without any visible morphological correlate in the low-dose CT scan. For further clarification, a contrast-enhanced CT scan was carried out, which revealed a subsegmental pulmonary artery embolism in the left lower lobe. Subsequently, the patient was therapeutically anticoagulated. This case highlights the importance of clarifying focal pulmonary uptake in order not to overlook concomitant diseases.

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