Collision skin lesions—results of a multicenter study of the International Dermoscopy Society (IDS)
Background: Collision lesions as two independent and unrelated skin tumors often manifest an atypical morphology. Objective: To determine the combinations of collision skin lesions (CSLs). Methods: Twenty-one pigmented lesion clinics in nine countries included 77 histopathologically proven C...
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2017
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oai:doaj.org-article:f794836b5b8a42b8ae75431d017384fc2021-11-17T08:30:33ZCollision skin lesions—results of a multicenter study of the International Dermoscopy Society (IDS)10.5826/dpc.0704a122160-9381https://doaj.org/article/f794836b5b8a42b8ae75431d017384fc2017-10-01T00:00:00Zhttp://dpcj.org/index.php/dpc/article/view/336https://doaj.org/toc/2160-9381 Background: Collision lesions as two independent and unrelated skin tumors often manifest an atypical morphology. Objective: To determine the combinations of collision skin lesions (CSLs). Methods: Twenty-one pigmented lesion clinics in nine countries included 77 histopathologically proven CSLs in this retrospective observational study. Results: Seventy-seven CSLs from 75 patients (median age 59.8 years) were analyzed; 24.7% of CSLs were located on the head and neck area, 5.2% on the upper extremities, 48.1% on the trunk, and 11.7% on the lower extremities; 40.3% revealed a melanocytic component (median age 54.7 years), followed by 45.5% with a basal cell carcinoma (BCC) (median age 62.4 years) and 11.7% with a seborrheic keratosis (median age 64.7 years). CSLs with a BCC component were more often found on the head and neck area compared to tumors with a melanocytic component (34.3% versus 16.1%). Lesions with a melanocytic component were more often detected on the trunk compared to lesions with a BCC (64.5% versus 37.1%). Patients with CSLs with epidermal-epidermal cell combination were older than patients with epidermal-dermal cell combination (63 versus 55.2 years), were more often male than female (63% versus 43.3%), more often had the lesion on the head and neck area (32.6% versus 13.3%), and less often on the upper (2.2 % versus 10%) or lower extremities (8.7% versus 16.6%). Conclusions: CSLs consist of a heterogeneous group of lesions of varying cell types. They are associated with advancing age and cumulative UV-exposure. CSLs manifest a complex morphology making it challenging to diagnose correctly. Andreas BlumGraeme SiggsAshfaq A. MarghoobJürgen KreuschHoracio CaboGabriella Campos-do-CarmoAna Flávia Cavalcanti ShiraishiAlexander KienitzCayetana Maldonado-SeralPaola Maltagliati-HolznerZeljko P. MijuskovicAndrea Miyuki YoshimuraElvira MoscarellaHarold RabinovitzCristina Rodriguez-GarciaSonia Rodríguez SaaPietro RubegniFrancesco SavoiaOlga SimionescuPedro Zaballos DiegoRainer Hofmann-WellenhofMattioli1885articlecollision skin lesionsdermoscopydermatoscopyDermatologyRL1-803ENDermatology Practical & Conceptual, Vol 7, Iss 4 (2017) |
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DOAJ |
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EN |
| topic |
collision skin lesions dermoscopy dermatoscopy Dermatology RL1-803 |
| spellingShingle |
collision skin lesions dermoscopy dermatoscopy Dermatology RL1-803 Andreas Blum Graeme Siggs Ashfaq A. Marghoob Jürgen Kreusch Horacio Cabo Gabriella Campos-do-Carmo Ana Flávia Cavalcanti Shiraishi Alexander Kienitz Cayetana Maldonado-Seral Paola Maltagliati-Holzner Zeljko P. Mijuskovic Andrea Miyuki Yoshimura Elvira Moscarella Harold Rabinovitz Cristina Rodriguez-Garcia Sonia Rodríguez Saa Pietro Rubegni Francesco Savoia Olga Simionescu Pedro Zaballos Diego Rainer Hofmann-Wellenhof Collision skin lesions—results of a multicenter study of the International Dermoscopy Society (IDS) |
| description |
Background: Collision lesions as two independent and unrelated skin tumors often manifest an atypical morphology.
Objective: To determine the combinations of collision skin lesions (CSLs).
Methods: Twenty-one pigmented lesion clinics in nine countries included 77 histopathologically proven CSLs in this retrospective observational study.
Results: Seventy-seven CSLs from 75 patients (median age 59.8 years) were analyzed; 24.7% of CSLs were located on the head and neck area, 5.2% on the upper extremities, 48.1% on the trunk, and 11.7% on the lower extremities; 40.3% revealed a melanocytic component (median age 54.7 years), followed by 45.5% with a basal cell carcinoma (BCC) (median age 62.4 years) and 11.7% with a seborrheic keratosis (median age 64.7 years). CSLs with a BCC component were more often found on the head and neck area compared to tumors with a melanocytic component (34.3% versus 16.1%). Lesions with a melanocytic component were more often detected on the trunk compared to lesions with a BCC (64.5% versus 37.1%). Patients with CSLs with epidermal-epidermal cell combination were older than patients with epidermal-dermal cell combination (63 versus 55.2 years), were more often male than female (63% versus 43.3%), more often had the lesion on the head and neck area (32.6% versus 13.3%), and less often on the upper (2.2 % versus 10%) or lower extremities (8.7% versus 16.6%).
Conclusions: CSLs consist of a heterogeneous group of lesions of varying cell types. They are associated with advancing age and cumulative UV-exposure. CSLs manifest a complex morphology making it challenging to diagnose correctly.
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| format |
article |
| author |
Andreas Blum Graeme Siggs Ashfaq A. Marghoob Jürgen Kreusch Horacio Cabo Gabriella Campos-do-Carmo Ana Flávia Cavalcanti Shiraishi Alexander Kienitz Cayetana Maldonado-Seral Paola Maltagliati-Holzner Zeljko P. Mijuskovic Andrea Miyuki Yoshimura Elvira Moscarella Harold Rabinovitz Cristina Rodriguez-Garcia Sonia Rodríguez Saa Pietro Rubegni Francesco Savoia Olga Simionescu Pedro Zaballos Diego Rainer Hofmann-Wellenhof |
| author_facet |
Andreas Blum Graeme Siggs Ashfaq A. Marghoob Jürgen Kreusch Horacio Cabo Gabriella Campos-do-Carmo Ana Flávia Cavalcanti Shiraishi Alexander Kienitz Cayetana Maldonado-Seral Paola Maltagliati-Holzner Zeljko P. Mijuskovic Andrea Miyuki Yoshimura Elvira Moscarella Harold Rabinovitz Cristina Rodriguez-Garcia Sonia Rodríguez Saa Pietro Rubegni Francesco Savoia Olga Simionescu Pedro Zaballos Diego Rainer Hofmann-Wellenhof |
| author_sort |
Andreas Blum |
| title |
Collision skin lesions—results of a multicenter study of the International Dermoscopy Society (IDS) |
| title_short |
Collision skin lesions—results of a multicenter study of the International Dermoscopy Society (IDS) |
| title_full |
Collision skin lesions—results of a multicenter study of the International Dermoscopy Society (IDS) |
| title_fullStr |
Collision skin lesions—results of a multicenter study of the International Dermoscopy Society (IDS) |
| title_full_unstemmed |
Collision skin lesions—results of a multicenter study of the International Dermoscopy Society (IDS) |
| title_sort |
collision skin lesions—results of a multicenter study of the international dermoscopy society (ids) |
| publisher |
Mattioli1885 |
| publishDate |
2017 |
| url |
https://doaj.org/article/f794836b5b8a42b8ae75431d017384fc |
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