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Table 1. 5cases of intraductal tubulopapillary neoplasm developed in branch of the pancreatic duct

From: A case of intraductal tubulopapillary neoplasm of the pancreas in a branch duct: a rare case report and literature review

Case

Ref.

Age

M/F

Symptom

AP (Y/N)

CT imaging

MPD dilatation

Diagnosis according to imaging

Histological examination

Preoperative diagnosis

1

4

55

F

Upper abdominal pain

N

Multilobular cyst in 50 mm, no nodule

None

BD-IPMN

None

BD-IPMN

2

3

75

M

None

N

Hypovasucular SOL in 12 mm

None

NET, ACC, SCN, PDAC Metastatic tumor

EUS-FNA (s/o ACC)

ACC

3

5

48

M

Abdominal pain

N

Hypovasucular SOL in 20 mm

N.A

SPN, IPMN, NET (cystic)

EUS-FNA: papillary epithelial neoplasm in cyst fluid

Papillary epithelial neoplasm

4

6

41

F

None

N

Multilobular cyst in 25 mm, no nodule

N.A

BD-IPMN

EUS-FNA: marked epitherial atypia in fluid

Marked epitherial atypia

5

Our case

85

M

None

N

Hypervasucular SOL in 20 mm

Slight

BD-IPMN

Cytology using pancreatic fluid in ERP: no malignancy

BD-IPMN

Case

Operation

Localization

Tumor size as nodule (mm)

Invasion

LNM

Distinct metastasis

Immunohistochemical findings

Prognosis

MUC1

MUC2

MUC5AC

MUC6

Ki67 (%)

1

PD

Head

No nodule

None

None

None

 ×

 × 

1

Survival with no recurrence for 34 month

2

DP

Head

12

None

None

None

N.A

 ×

N.A

N.A

3

DP

Body–tail

13

None

None

None

N.A

 × 

N.A

N.A

N.A

4

PD

Head

No nodule

None

None

None

 × 

N.A

N.A

5

N.A

5

PD

Head

24

Minimally stromal invasion

None

None

 × 

 × 

 × 

3.98

Survival with no recurrence for 48 month

  1. Ref. = reference, M = male, F = female, AP = acute pancreatitis, Y = yes, N = none, SOL = space occupied lesion, N.A = not available, MPD = main pancreatic duct, BD-IPMN = branch duct type intraductal papillary mucinous neoplasm, NET = neuroendocrine tumor, ACC = acinar cell carcinoma, SCN, serous cystic neoplasm, PDAC = pancreatic ductal adenocarcinoma, EUS-FNA = fine needle aspiration using endoscopic ultrasonography, ERP = endoscopic retrograde pancreatography
  2. PD = pancreatoduodenectomy, DP = distal pancreatectomy, LNM = lymph node metastasis,  = positive, ×  = negative, N.A = not available