1. Nakamura A, Inoue Y, Ishihara T, Matsunaga W, Ono T. Acquired coccygeal nodule due to repeated stimulation by a bicycle saddle. J Dermatol. 1995; 22:365–369.
Article
2. Hashimoto I, Shono Y, Ishida S, Nakanishi H. Developmental mechanism of juvenile coccygeal fibrosis (so-called coccygeal pad). J Dermatol. 2013; 40:832–836.
Article
3. Dekio I, Murata T. Coccygeal pad. Contact Dermatitis. 2003; 48:234–235.
Article
4. Mullen M, Rabban J, Frieden IJ. Sacrococcygeal teratoma masquerading as congenital hemangioma. Pediatr Dermatol. 2013; 30:112–116.
Article
5. de Parades V, Bouchard D, Janier M, Berger A. Pilonidal sinus disease. J Visc Surg. 2013; 150:237–247.
Article