Solid-pseudopapillary neoplasm is uncommon but has been recognized with increasing frequency in recent years {946, 1192, 1358}. It accounts for approximately 1-2% of all exocrine pancreatic tumours {359, 941, 1280}.

Fig. 10.34 Solid-pseudopapillary neoplasm. A The round hypodense tumour (T) replaces the tail of the pancreas. B The pseudocystic neoplasm is attached to the spleen, and shows haemorrhagic

It occurs predominantly in adolescent girls and young women (mean 35 years; range 8-67 years) {1781, 1072}. It is rare in men (mean, 35 years; range 25-72 years) {945, 1193, 1975}. There is no apparent ethnic preference {978, 1395}.

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