Bilateral Symmetrical Nodules on the Thumbs in a Female Patient: A Quiz




Rudimentary polydactyly, Meissner corpuscles, Traumatic neuroma


Abstract is missing (Quiz)


Download data is not yet available.


Hare PJ. Rudimentary polydactyly. Br J Dermatol 1954; 66: 402-408. DOI:

Upjohn E, Barlow R, Robson A. Rudimentary polydactyly in an adult: an unusual presentation to a dermatological surgery unit. Australas J Dermatol 2006; 47: 206-208. DOI:

Kitayama Y, Tsukada S, Ishikura N, Ide Y, Kojima M. Rudimentary polydactyly: report of five cases. J Hand Surg Am 1985; 10: 382-385. DOI:

Ban M, Kitajima Y. The number and distribution of Merkel cells in rudimentary polydactyly. Dermatology 2001; 202: 31-34. DOI:

Shapiro L, Juhlin EA, Brownstein MH. 'Rudimentary polydactyly': an amputation neuroma. Arch Dermatol 1973; 108: 223-225. DOI: DOI:

Newman MD, Milgraum S. Palisaded encapsulated neuroma (PEN): an often misdiagnosed neural tumor. Dermatol Online J 2008; 14: 12. DOI:

Shih S, Khachemoune A. Acquired digital fibrokeratoma: review of its clinical and dermoscopic features and differential diagnosis. Int J Dermatol 2019; 58: 151-158. DOI:

Ashby-Richardson H, Rogers GS, Stadecker MJ. Superficial acral fibromyxoma: an overview. Arch Pathol Lab Med 2011; 135: 1064-1066. DOI:

Dijkman RR, van Nieuwenhoven CA, Hovius SER, Hülsemann W. Clinical presentation, surgical treatment, and outcome in radial polydactyly. Handchir Mikrochir Plast Chir 2016; 48: 10-17. DOI:

Leber GE, Gosain AK. Surgical excision of pedunculated supernumerary digits prevents traumatic amputation neuromas. Pediatr Dermatol 2003; 20: 108-112. DOI:



How to Cite

Lee, T., Huang, Y., Wang, J., & Lin, Z. (2023). Bilateral Symmetrical Nodules on the Thumbs in a Female Patient: A Quiz. Acta Dermato-Venereologica, 103, adv11143.