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Table 1 Clinicopathological characteristics of trichogerminoma described in present and previous reports

From: Trichogerminoma, a rare cutaneous follicular neoplasm with indolent clinical course: report of two cases and review of literature

Case no. Author (year) Diagnosis Age (year)/ gender Site Immunoprofiles Treatment Outcome
1 Sau G (1992) [1] TG 34/female Scalp NA TSR NED 6 years
2   TG 55/female Back NA TSR NED 11 years
3   TG 53/male Right calf NA TSR NED 9 years
4   TG 16/female Right eye brow NA TSR NA
5   TG 25/male NA NA TSR NED 8 years
6   TG 27/female Forehead NA TSR NED 7 years
7   TG 60/male Right cheek NA TSR NED 5.5 years
8   TG 53/male Submental NA TSR NED 6 years
9   TG 59/female Left ear NA TSR NED 6 years
10   TG 43/male Abdomen NA TSR NED 3 years
11   TG 73/male Right breast NA TSR NED 3 years
12   TG 73/male Abdomen NA TSR/RT Recur & metast to soft tissue LN & liver 4 months
13   TG 58/male Right hip NA TSR NED 2 years
14   TG 61/male Left arm NA TSR NED 1.5 years
15 Kazakov (2002) [2] TG 41/male Left eye AE1/AE3 +, CK20 - TSR NED 6 months
16 Pozo (2005) [3] TG 74/female Face AE1/AE3 +, CK20 - TSR NA
17 Tellchea (2009) [4] TG 45/male Scalp AE1/AE3 +, CK5/6 zonal+ TSR NED 10 years
18 Kim (2010) [5] TG 79/female Neck AE1/AE3 +, CK5/6 zonal+ TSR NED 6 months
19 Present case No.1 TG 78/male Hip AE1/AE3 +, CK5/6, Bcl-2 zonal+, CK20 - TSR NED 6 months
20 Present case No.2 TG 29/male Right thigh AE1/AE3 +, CK5/6, P63, Bcl-2 zonal+, CK20 - TSR NED 12 months
  1. TG, trichogerminoma; NA, not available; NED, no evidence of disease; TSR, totally surgical resection; RT, radiotherapy.