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Table 1 Detailed description of the features of 12 reported cases of primary colonic melanoma in medical literature

From: Pathogenesis, diagnosis and management of primary melanoma of the colon

#

Study

Year

Age/Sex

Site

Tumor size* (cm)

S-100

HMB-45

Melan A

Management

Outcome

1

Serin et al [1]

2010

30, M

Cecum

14

+

+

+

Right hemicolectomy and distal ileectomy

Recurrence free for at least 1 year

2

Poggi et al [2]

2000

79, M

Right colon

8

+

+

n/a

Right hemicolectomy

Recurrence free for at least 5 years

3

Avital et al ^^ [3]

2004

41, M

Right colon

6.5

-

+

+

Right hemicolectomy

Recurrence free for at least 3 years

4

Venkataraman et al [4]

2004

59, M

Left colon

n/a

+

n/a

n/a

Disseminated disease, palliative strategy employed

Not mentioned

5

McNicol et al [5]

2005

84, M

Cecum

n/a

+

+

n/a

Right hemicolectomy

Recurrence free for at least 2.5 years

6

Mori et al [6]

2006

88, F

Left colon

5

+

+

+

Partial colectomy and regional lymphadenectomy

Recurrence free for at least 3 years

7

Takahashi-Monroy et al ^^ [7]

2006

51, F

Cecum

4.2

n/a

+

+

Right hemicolectomy and resection of terminal ileum

Recurrence free for at least 1 year 8 months

8

Mandot et al [8]

2006

62, F

Right colon

n/a

+

-

n/a

Brain metastases found at the time of diagnosis; managed with steroids, temozolamide and radiation therapy

Expired within three months from the time of diagnosis; cause of death pyogenic meningitis

9

De Palma et al [9]

2006

56, F

Right colon

n/a

+

+

n/a

Right hemicolectomy

Recurrence free for at least 2 years

10

Tak et al ^ [10]

2006

72, M

Transverse colon

n/a

+

+

n/a

Patient refused any intervention

Died in 8 weeks from the time of initial presentation

11

Kenney et al [11]

2007

64,M

Transverse colon

5.5

+

-

+

Left hemicolectomy & appendectomy

Unremarkable follow up; recurrence free duration not mentioned

12

Sashiyama et al ^ [12]

2010

39, F

Cecum

2

n/a

+

n/a

Laparoscopic ileocecal resection

Follow-up not mentioned

  1. n/a = not applicable or information not available
  2. *greatest dimension of the resected tumor mass (only applicable to cases where surgical intervention was performed)
  3. ^ neoplams that were found to be amelanotic on gross appearance
  4. ^^ patient had obstruction secondary to intussusception.