Bibliografia
- Peters KT, Luyten P, Monstrey S. Biker’s nodule: a case report and review of the Literature. Acta Chir Belg.         2014;114(6):414-6. 
 
- Stoneham A, Thway K, Messiou C, Smith M. Cyclist’s nodule: no smooth ride. BMJ Case Reports. 2016:bcr2015213087. 
 
- Köhler P, Utermann S, Kahle B, Hartschuh W. Biker’s nodule: perineal nodular induration of the cyclist.         Hautarzt. 2000;51(10):763-5. 
 
- Khedaoui R, Martín-Fragueiro LM, Tardío JC. Perineal nodular induration (“Biker’s nodule”): report of two cases         with fine-needle aspiration cytology and immunohistochemical study. Int J Surg Pathol. 2014;22(1):71-5. 
 
- de Saint Aubain Somerhausen N, Geurde B, Couvreur Y. Perineal nodular induration: the ‘third testicle of the         cyclist’, an under- recognized pseudotumour. Histopathology. 2003;42(6):615-6.
 
- McCluggage WG, Smith J. Reactive fibroblastic and myofibroblastic proliferation of the vulva (cyclist’s nodule):         a hitherto poorly described vulval lesion occurring in cyclists. Am J Surg Pathol. 2011;35(1):110-4.
 
- Voung PN, Camuzard P, Schoonaert MF. Perineal nodular indurations (“accessory testicles”) in cyclists. Fine         needle aspiration cytologic and pathologic findings in two cases. Acta Cytol. 1988;32(1):86-90. 
 
- Swart J, de Villiers RVP, Roux F, Rademan F, Thom G. A tale of two sit-bones: the cyclist’s ischial hygroma         (perineal nodular induration). SAJSM. 2019;31:1-4. 
 
- Devers KG, Heckman SR, Muller C, Joste NE. Perineal nodular induration: a trauma-induced mass in a female         equestrian. Int J Gynecol Pathol. 2010;29(4):398-401.
 
- Mackenzie N, Vitale K. “Bumpy” ride for the female cyclist: A rare case of perineal nodular induration, the         ischial hygroma. Int J Surg Case Rep. 2020;73:277-80. 
 
-  Asselbergs CP, Loeff JW, de Jongh GJ, de Winter TC. Perineale nodulaire induratie. Een zeldzame perineale         zwelling bij fietsers [Perineal nodular induration]. Ned Tijdschr Geneeskd. 2009;153:A58. 
 
-  De Cima A, Pérez N, Ayala G.. MR imaging findings in perineal nodular induration ("cyclistś nodule"): a case         report. Radiol Case Rep. 2020;15(7):1091-4. 
 
-  Lowe BD, Schrader SM, Breitenstein MJ. Effect of bicycle saddle designs on the pressure to the perineum of the         bicyclist. Med Sci Sports Exerc. 2004;36(6):1055-62. 
 
-  Spears IR, Cummins NK, Brenchley Z, et al. The effect of saddle design on stresses in the perineum during         cycling. Med Sci Sports Exerc. 2003;35(9):1620-5. 
 
-  Sanford T, Gadzinski AJ, Gaither T, et al. Effect of oscillation on perineal pressure in cyclists: implications         for micro-trauma. Sex Med. 2018;6(3):239-47. 
 
-  Gonzàlez-Pérez R, Carnero L, Arbide N, Soloeta R. Perineal nodular indurationin cyclists. Actas Dermosifiliogr.         2009;100;919-20. 
 
-  Van de Perre S, Vanhoenacker FM, Vanstraelen L, Gaens J, Michiels M. Perineal nodular swelling in a recreational         cyclist: diagnosis and discussion. Skeletal Radiol. 2009;38(9):933-4.