19 May 2021: Articles
Perianal Solitary Fibrous Tumor in a Rare Anatomical Presentation: A Case Report and Literature Review
Challenging differential diagnosis, Rare disease
Daniel Paramythiotis A , Moysis Moysidis A* , Lazaros Kourtidis B , Anestis Karakatsanis D , Christos Poulios C , Antonios Michalopoulos ADOI: 10.12659/AJCR.929742
Am J Case Rep 2021; 22:e929742
Table 1. Clinical features of all 13 reported cases of Solitary fibrous tumor of the ischiorectal, ischioanal, perineal, perianal region [4,6,9–18].
| Author | Year | Age | Sex | Location | Dimensions (Cm) | Type | Demicco Risk Score | Demicco Risk Class | Follow-up (Months) | Recurrence | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Suster S. et al | 1995 | 34 | F | Perineum | 1.6×1.5×1 | Solitary fibrous tumor | 1 | Low | No | |
| 2 | De Souza Melo A. et al | 2017 | 64 | M | Perineum | 23×14×8 | Giant solitary fibrous tumor | 5 | Intermediate | 12 | No |
| 3 | Kim MY et al | 2009 | 43 | M | Perineum | 5.5×4.5 | Lipomatous haemangio-pericytoma | 2 | Low | Not mentioned | |
| 4 | Zheng C.-G. et al | 2015 | 54 | F | Perianal | 4×5×2 | Solitary fibrous tumor | 2 | Low | 24 | No |
| 5 | Yoshida R. et al | 1999 | 62 | M | Perianal | 12.5×5.5×4.5 | Solitary fibrous tumor | 4 | Intermediate | 10 | After 13 years, Not on new follow-up |
| 6 | Occhionorelli S. et al | 2016 | 63 | F | Gluteus Perianal | 11×7.5×5.5 | Solitary fibrous tumor | 4 | Intermediate | 84 | No |
| 7 | Kim K.H. et al | 2011 | 36 | M | Ischiorectal | 13×9.4×6.9 | Solitary fibrous tumor | 4 | Intermediate | Not mentioned | |
| 8 | Yap T. et al | 2003 | 41 | M | Ischiorectal | 7×6 | Myxoid solitary fibrous tumor | 2 | Low | Not mentioned | |
| 9 | Morikawa K. et al | 2018 | 42 | M | Ischiorectal | 5.3×3.5×2.5 | Solitary fibrous tumor | 1 | Low | 12 | No |
| 10 | Mourra N. et al | 2005 | 67 | M | Ischioanal | 13×12×8 | Epithelioid solitary fibrous tumor | 4 | Intermediate | 6 | No |
| 11 | Bhat A. et al | 2018 | 19 | F | Ischioanal | 7×6 | Solitary fibrous tumor | 2 | Low | Not mentioned | |
| 12 | Dudkiewicz M. et al | 2004 | 45 | M | Ischioanal | 4×6×5 | Solitary fibrous tumor | 2 | Intermediate | Not mentioned | |
| 13 | Paramythiotis D. et al | 2020 | 80 | M | Perineum | 3×3.5×2.5 | Solitary fibrous tumor | 2 | Low | 6 | No |