An Odd Collision Tumor – Dermatofibroma Plus Nevus
Abstract
A cutaneous collision or contiguous tumor occurs when two or more cutaneous tumors coexist in a single lesion. These tumors usually have misleading clinical and histological presentations, making them a diagnostic challenge. Although several different combinations of collisions have been described we report an unusual case of a cutaneous collision tumour on the back of the patient involving an intradermal naevus and a dermatofibroma. To the best of our knowledge, this is the first time such combination is reported.
Downloads
References
Zaballos-Diego P. Collision tumors. Actas Dermosifiliogr 2014; 105:310-1.
Alves R, Ocaña J, Vale E, Correia S, Viana I, Bordalo O. Basal cell carcinoma and atypical fibroxanthoma: An unusual collision tumor. J Am Acad Dermatol 2010;
:e74-6.
Tae Young Han, Hee Sun Chang, June Hyun Kyung Lee, Won-Mi Lee, Sook-Ja Son. A clinical and histopathological study of 122 cases of dermatofibroma (benign fibrous
histiocytoma). Ann Dermatol. 2011; 23: 185-92.
Kaur H, Kaur J, Gill KS, Mannan R, Arora S. Subcutaneous dermatofibroma: A rare case report with review of literature. J Clin Diagn Res. 2014; 8: FD01-2.
Arikanoglu Z, Akbulut S, Basbug M, Meteroglu F, Senol A, Mizrak B. Benign fibrous histiocytoma arising from the intercostal space. Gen Thorac Cardiovasc Surg. 2011;
:763-6.
Córdoba S, Hernández A, Romero A, Arias D, Castaño E, García-Donoso C, Borbujo JM. Carcinoma basocelular sobre dermatofibroma. Actas Dermosifiliogr. 2005;
:612-5.
Morgan MB, Howard HG, Everett MA. Epithelial induction in dermatofibroma: a role for the epidermal growth factor (EGF) receptor. Am J Dermatopathol. 1997; 19:35-
Alves JV, Matos DM, Barreiros HF, Bártolo EA. Variants of dermatofibroma--a histopathological study. An Bras Dermatol. 2014; 89:472-7.
All articles in this journal are Open Access under the Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0).
