Table 2

Organ involvement according to the initial presentation

GroupOrgan involved at initial presentationNumber of patients with subsequent organ involvement identified following presentationOrgans involved
Head and neck group
(n=14)
Orbit (n=6/14)1/6Pterygopalatine fossa and retroperitoneum
Nasopharynx (n=6/14)1/6
1/6
Lungs
Salivary glands
Salivary gland (n=1/14)1/1Pancreas and retroperitoneal
Cervical lymph node (n=1/4)1/1Biliary tree
Pancreatobiliary group
(n=60)
Pancreas (n=56)30/56
2/56
1/56
1/56
1/56
1/56
1/56
1/56
1/56
Biliary tree
Retroperitoneum
Gallbladder
Biliary tree and kidneys
Biliary tree and mediastinal lymph nodes
Retroperitoneum and biliary tree
Retroperitoneum, lungs and kidneys
Biliary tree, lungs and kidneys
Biliary tree, parotid, liver and mediastinum
Biliary tree (n=4)1/4Liver, duodenum lungs and