Nodular hidradenoma: Dermoscopic presentation

Robles-Méndez, Juan Carlos; Martínez-Cabriales, Sylvia Aidé; Villarreal‐Martínez, Alejandra; Ayala-Cortés, Ana Sofía; Miranda-Maldonado, Ivette; Vázquez‐Martínez, Osvaldo; Ocampo‐Candiani, Jorge

doi:10.1016/j.jaad.2016.07.003

Cited by 10 publications

(6 citation statements)

References 2 publications

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“…Our data show that dermoscopy may provide important clues for this diagnosis; in particular, it can show the recurrence of distinct patterns in the different histopathological subtypes. NPHS can often resemble an NMSC; PHS may mimic an SK or an SL; EP sensu stricto may present as pink nodules, or like an SK if pigmented; PH may appear as a pigmented or a nonpigmented nodule, usually with a nonspecific, polymorphic vascular pattern; the differential diagnosis with amelanotic melanoma and ulcerated SCC requires surgical excision [26].…”

Section: Discussionmentioning

confidence: 99%

Dermoscopic–Histopathological Correlation of Eccrine Poroma: An Observational Study

Chessa

Patrizi

Baraldi

et al. 2019

Dermatol Pract Concept

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Background: Eccrine poroma (EP) is a benign adnexal neoplasm that can be pigmented in 17% of cases. Four histopathological variants of EP exist. Dermoscopically, EP can mimic many other skin neoplasms. Objectives: To provide a dermoscopic–histopathological correlation of EP, classifying the clinical and dermoscopic features of EPs on the basis of their histopathological subtype, in an attempt to better characterize these entities. Patients and Methods: A single-center retrospective study was conducted. Clinical data were collected; patients were classified on the basis of the 4 histopathological variants of EPs. Dermoscopic images were reviewed. A dermoscopic–histopathological correlation was performed, and the results were compared with literature data. Results: Twenty-six lesions were included, both pigmented and nonpigmented. Three of the 4 histopathological variants were identified. Different dermoscopic features were observed for each distinct histopathological subtype of EP. The lesions mimicked different types of other skin neoplasms, in particular: nonpigmented hidroacanthoma simplex resembled nonmelanoma skin cancer; pigmented hidroacanthoma simplex appeared like a seborrheic keratosis or a solar lentigo; EPs sensu stricto presented as pink nodules if nonpigmented and were similar to seborrheic keratosis if pigmented; dermal duct tumors appeared as pigmented nodular lesions. Conclusions: Distinct dermoscopic features appeared to be recurrent in each histopathological variant. Dermoscopy can provide important clues for the diagnosis of EP; the final diagnosis is allowed by histopathology. To achieve a correct diagnosis of EP, because of its clinical and dermoscopic variability, surgical excision is recommended.

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Section: Discussionmentioning

confidence: 99%

Dermoscopic–Histopathological Correlation of Eccrine Poroma: An Observational Study

Chessa

Patrizi

Baraldi

et al. 2019

Dermatol Pract Concept

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“…Their differential clinical diagnosis is wide and includes some variants of dermatofibromas, angiomatous tumors, ganglion cysts, and malignant tumors such as basal cell carcinomas (BCCs), squamous cell carcinomas, and melanomas, among others . Importantly, this benign tumor has been described as a dermatoscopic pitfall because it is a great simulator of other entities …”

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confidence: 99%

Sonographic Characteristics of Apocrine Nodular Hidradenoma of the Skin

Wortsman

Reyes

Ferreira-Wortsman

et al. 2017

J of Ultrasound Medicine

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Nodular hidradenomas are benign sweat gland-derived tumors that can produce clinical and dermatoscopic misdiagnoses. Histologically, these tumors can be classified into eccrine and apocrine subtypes. We present the sonographic characteristics of 6 cases of apocrine nodular hidradenomas, which, to our knowledge, is so far the largest series reported. A detailed sonographic analysis included layers, body location, shape, diameters, echostructure patterns, and vascularity. Two sonographic signs not previously reported in these or other common dermatologic lesions were detected: "snow falling" and "fluid-fluid level." The sonographic characteristics of apocrine nodular hidradenomas can support their earlier and more precise diagnosis.

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“…Ulcerated lesions may resemble squamous cell carcinoma, basal cell carcinoma metastatic disease or other adnexal tumors [11][12][13]. Dermoscopy shows a nodule of amorphous, white-pink areas, red lacuna-like areas, eccentric ulceration, as well as hairpin, dotted, and linear irregular vessels [14]. Diagnosis is made by histopathology.…”

Section: Discussionmentioning

confidence: 99%

Clear Cell Hidradenoma of the Inguinal Area: A Rare Tumor in an Uncommon Location

Zinoune¹,

Douhi²,

Baybay³

et al. 2019

Madridge J Case Rep Stud

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Nodular hidradenomas are benign sweat gland-derived tumors that can produce clinical and dermatoscopic misdiagnoses. Histologically, these tumors can be classified into eccrine and apocrine subtypes. Clear cell hidradenoma is a rare benign eccrine tumor, it's representing 1% of all skin tumors, found mainly in adult females. The lesions are usually solitary and are most likely to be found on the scalp, face or anterior trunk. We report a case of clear cell hidradenoma developing in the inguinal area in a 68-year old man, which occurred during the course of nine months. The clinical and histologic findings of the tumor are documented. The lesion was totally removed by excision and revealed no evidence of recurrence. Through this case, we would like to highlight the unusual location of this hidradenoma.

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Nodular hidradenoma: Dermoscopic presentation

Cited by 10 publications

References 2 publications

Dermoscopic–Histopathological Correlation of Eccrine Poroma: An Observational Study

Dermoscopic–Histopathological Correlation of Eccrine Poroma: An Observational Study

Sonographic Characteristics of Apocrine Nodular Hidradenoma of the Skin

Clear Cell Hidradenoma of the Inguinal Area: A Rare Tumor in an Uncommon Location

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