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Table 2 Clinicopathological features of reported cases of metastatic palatine tonsil tumor of colorectal primary

From: Palatine tonsillar metastasis of rectal adenocarcinoma: a case report and literature review

Case (reference)

Sex/age (years)

Side

Primary site

Differentiation

Stage

Interval (months)

Other metastases

Follow-up (months)

1 [17]

F/55

Right

Rectum

Well

NA

84

Mediastinum

NA

2 [18]

M/65

Left

Transverse colon

Poorly

NA

0

Para-aortic LN, bone, scalp

6

3 [19]

M/36

Right

Rectum

Signet-ring cell

Dukes C

24

NA

15 alive

4 [20]

F/81

Left

Hepatic flexure

Moderately

NA

0

Lung, liver, bone

12

5 [21]

M/53

Right

Rectum

Poorly

Dukes C2

24

Brain

6 alive

6 [22]

M/45

Left

Rectum

Signet-ring cell

NA

0

Subcutaneous, bone

6

7 [23]

M/44

Left

Cecum

Signet-ring cell

NA

0

NA

NA

8 [24]

M/53

Left

Ascending colon

Moderately

T3N1M0

19

Brain

13 alive

9 [1]

F/76

Left

Splenic flexure

Signet-ring cell

T3N2M0

12

Brain, right axilla

NA

10 [25]

M/43

Left

Left colon

Moderately

T4aN2bM0

12

Lung, mediastinum

NA

Present case

F/37

Right

Rectum

Poorly

T3N2bM0

5

Para-aortic LN

9 alive

  1. F female, M male, Well, well differentiated adenocarcinoma; moderately, moderately differentiated adenocarcinoma; poorly, poorly differentiated adenocarcinoma; Signet-ring cell, signet-ring cell carcinoma; interval, time between the diagnosis of colorectal carcinoma and the development of metastasis to the palatine tonsil; LN lymph nodes, NA not available.