Adnexal Tumors

Sgambato, Anna; Zalaudek, Iris; Ferrara, Gerardo; Giorgio, Caterina M.; Moscarella, Elvira; Nicolino, Rachele; Argenziano, Giuseppe

doi:10.1001/archderm.144.3.426

Cited by 22 publications

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“…The bluish or brownish colour of some homogeneous areas could correspond histologically to the presence of increased melanin pigment observed in some cases, the presence of haemorrhage in some cystic spaces and/or to the Tyndall phenomenon, given the cystic nature and dermal localization of the tumour [4,5]. The histopathologic correlation of white structures (including chrysalis) could be the presence of the fibrovascular or even hyalinized stroma, which is characteristic of this tumour [3,4]. A large proportion of hidradenomas appear highly vascular, even resulting occasionally in hemangiopericytoma-like areas [1] (branching vascular pattern with a staghorn configuration), which is the reason for the presence of dermoscopic vascular structures in 82% of the cases.…”

Section: Discussionmentioning

confidence: 99%

“…Dermoscopy is a non-invasive technique which has greatly improved the diagnostic accuracy of pigmented and non-pigmented skin tumours. To the best of our knowledge, only two NH cases evaluating the dermoscopy of this tumour have been published in the literature [3,4]. We consider it worthwhile communicating the dermoscopic features of a large series of NH that could improve its clinical diagnostic accuracy.…”

Section: Introductionmentioning

confidence: 99%

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Dermoscopy of Nodular Hidradenoma, a Great Masquerader: A Morphological Study of 28 Cases

Serrano

Lallas²,

Pozo

et al. 2015

Dermatology

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Background: Nodular hidradenoma is an uncommon, benign, adnexal neoplasm of apocrine origin which is a clinical simulator of other tumours. Objective: The aim of this study was to evaluate the morphological findings of a large series of nodular hidradenomas under dermoscopic observation. Methods: Dermoscopic examination of 28 cases of nodular hidradenomas was performed to evaluate specific dermoscopic criteria and patterns. Results: The most frequently occurring dermoscopic features were: (1) in 96.4% of cases, a homogeneous area that covered the lesion partially or totally, the colour of which was pinkish in 46.4% of cases, bluish in 28.6%, red-blue in 14.3%, and brownish in 10.7%; (2) white structures were found in 89.3% of cases; (3) in 82.1% of cases, vascular structures were also observed, especially arborising telangiectasias (39.3%) and polymorphous atypical vessels (28.6%). Conclusion: Nodular hidradenomas represent a dermoscopic pitfall, being difficult to differentiate clinically and dermoscopically from basal cell carcinomas and melanomas.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Dermoscopy of Nodular Hidradenoma, a Great Masquerader: A Morphological Study of 28 Cases

Serrano

Lallas²,

Pozo

et al. 2015

Dermatology

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“…Nevertheless, they have also been observed in some adnexal tumors (angiohistiocytoma, hidradenoma, intraepidermal poroma), nodular melanoma and other thick tumors [12,13,16]. …”

Section: Discussionmentioning

confidence: 99%

Inverted Follicular Keratosis: Dermoscopic and Reflectance Confocal Microscopic Features

Armengot‐Carbó

Abrego²,

González³

et al. 2013

Dermatology

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Inverted follicular keratosis (IFK) is a rare benign tumor which usually appears as a firm papule on the face. The diagnosis is generally made by histopathology because the clinical appearance is difficult to differentiate from other lesions. Dermoscopic features of IFK have not been established to date. Herein we describe the dermoscopic findings of 4 cases of IFK. Radial peripheral hairpin vessels surrounded by a whitish halo arranged around a central white-yellowish amorphous area were observed in 3 cases, and glomerular vessels were present in the central area of one of them. The fourth case also presented a central white amorphous area but showed arborizing vessels. Reflectance confocal microscopy (available in 1 case) revealed a broadened honeycomb pattern, epidermal projections and hairpin and glomerular vessels. To our knowledge this is the first case series describing the dermoscopic features of inverted follicular keratosis and the first confocal microscopy description of this entity.

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“…This makes differential diagnosis with other malignant and benign skin growths particularly difficult. As shown by our single case, dermoscopy does not allow for a correct diagnosis as it reveals unspecific pattern that have been reported in a range of tumors including pyogenic granuloma, amelanotic melanoma, non-pigmented melanoma metastases or other rare adnexal tumors [5–9]. Further reports are needed to improve the knowledge about the clinical and dermoscopic variability of this rare tumor.…”

Section: Discussionmentioning

confidence: 83%

A case of primitive non-neural granular cell tumor presenting as a single painless bleeding nodule

Feci

Miracco

Fimiani

et al. 2014

Dermatol Pract Concept

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Primitive non-neural granular cell tumor is a rare tumor of uncertain lineage that clinically presents as a solitary painless nodule most typically on the extremity or trunk of an adult. We report the case of a 20-year-old man with a small reddish papule on the abdomen, measuring about 2 x 3 mm, surrounded by a faint erythematous halo. Dermoscopy examination shows diffuse red color and weak whitish striae. However, only histological and immunohistochemical evaluation allowed us to perform the correct diagnosis.

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Adnexal Tumors

Cited by 22 publications

References 0 publications

Dermoscopy of Nodular Hidradenoma, a Great Masquerader: A Morphological Study of 28 Cases

Dermoscopy of Nodular Hidradenoma, a Great Masquerader: A Morphological Study of 28 Cases

Inverted Follicular Keratosis: Dermoscopic and Reflectance Confocal Microscopic Features

A case of primitive non-neural granular cell tumor presenting as a single painless bleeding nodule

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