Dermoscopy of Lichenoid Regressing Solar Lentigines

Zaballos, Pedro; Rodero, Jesus; Pastor, L.; J, Vives; Puig, Susana; Malvehy, Josep

doi:10.1001/archdermatol.2007.61

Cited by 8 publications

(9 citation statements)

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“…Prieto et al [3] found an adjacent lesion in 26.8% of the cases of LK, most frequently seborrheic keratosis (8.4%), solar lentigo (7%) and actinic keratosis (5.6%). Zaballos et al [10,16] have recently published 2 series of histopathologically proven cases that showed the intermediate stage of this phenomenon dermoscopically. In the first study [16], the authors published 4 cases of solar lentigines regressing to LK.…”

Section: Discussionmentioning

confidence: 99%

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Studying Regression of Seborrheic Keratosis in Lichenoid Keratosis with Sequential Dermoscopy Imaging

et al. 2009

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Background: Lichenoid keratosis (LK) is a well-described entity that has been proposed to represent a regressive response to a pre-existent epidermal lesion. Aims: To evaluate the natural evolution of a series of cases showing the intermediate stage of the regression of seborrheic keratosis in LK using sequential dermoscopy imaging over time. Material and Methods: A series of lesions with dermoscopic areas of seborrheic keratosis and LK in the same tumor were consecutively collected for over 3 years at the Dermatology Department of the Hospital de Sant Pau i Santa Tecla, Tarragona, Spain. Sequential dermoscopic images of each case were collected quarterly for 1 year. At the end of the follow-up, all the lesions were biopsied. Results: A total of 22 cases were collected. At the end of the follow-up, the LK part increased in all the lesions. In 11 cases (50%), the seborrheic keratosis part disappeared completely, and in another 5 cases (22.7%), seborrheic keratosis comprised only 10% of the remaining area. Conclusions: These dermoscopic study findings support the proposal that LK represents a regressive response to a pre-existent epidermal lesion, in this case seborrheic keratosis.

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Section: Discussionmentioning

confidence: 99%

“…Zaballos et al [10,16] have recently published 2 series of histopathologically proven cases that showed the intermediate stage of this phenomenon dermoscopically. In the first study [16], the authors published 4 cases of solar lentigines regressing to LK. In the second [10], they studied 24 cases of seborrheic keratosis regressing to LK.…”

Section: Discussionmentioning

confidence: 99%

Studying Regression of Seborrheic Keratosis in Lichenoid Keratosis with Sequential Dermoscopy Imaging

et al. 2009

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“…It is thought that BLK's may arise from a regressing seborrhoeic keratosis or a regressing solar lentigines. 1 , 4 – 6 This particular case had remnants of a lentigo. While T-lymphocytes and cell-mediated immunity are predominant throughout regression, as inflammation advances the ratio of CD3 to CD20 diminishes.…”

Section: Discussionmentioning

confidence: 88%

Benign lichenoid keratosis: an off-center fold case

2011

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“…However, dermoscopy indicated that the melanocyte activity and the epidermal–dermal structures may vary in each spot. On the other hand, dermoscopy of ephilis shows uniform pigmentation, lentigo simplex dose a uniform pigmented reticulate network, and solar lentigo dose a faint pigmented reticulate network or uniform pigmentation 6–8 …”

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confidence: 99%

“…On the other hand, dermoscopy of ephilis shows uniform pigmentation, lentigo simplex dose a uniform pigmented reticulate network, and solar lentigo dose a faint pigmented reticulate network or uniform pigmentation. [6][7][8] The dermoscopic features in DSH are different from those in Dowling-Degos disease (DDD) of the external genitalia, showing multiple hyperpigmented brownish spots with different dimensions characterized by a coarse grid of brown lines over a diffuse light-brown background. 9 In the future, it should be studied whether dermoscopy is useful for the differential diagnoses in related disorders of not only DDD but also acropigmentation reticularis Kitamura, dyschromatosis universalis hereditaria and variants.…”

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confidence: 99%