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Fig.
Patient Female, 64 years old
(2) CT panning: spleen volume increase, see clump-like slightly lower density soft tissue mass lesions, mean CT value of about 39 HU, unclear boundaries, see multiple punctate calcifications, the maximum cross-section is about 8.
Surgery and pathology: multiple tumors of the spleen were seen during surgery, the larger one was located in the spleen hilus, about 6.
discuss
Neuroendocrine carcinoma is a malignant tumor derived from nerve crest silver-loving cells, with rare onset, with the function of secreting bioactive peptide hormones and neuromediators, and is more likely to occur in the digestive tract, pancreas, bronchi and other parts
The imaging manifestations of neuroendocrine carcinoma are inspecific, and ultrasound shows that the lesions are mostly isoechoic or slightly elevated echo, and the demarcation from the surrounding normal tissue is not clear
PET-CT is an uneven increase in metabolism of 18F-FDG and is radioactive concentration