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1.
Rev. cuba. invest. bioméd ; 40(2): e885, 2021. tab
Article in Spanish | LILACS, CUMED | ID: biblio-1347457

ABSTRACT

Introducción: La precisión diagnóstica de los nevus pigmentados ha sido una constante preocupación por los dermatólogos. Objetivo: Identificar la utilidad del dermatoscopio en la correlación de las características clínicas y los patrones dermatoscópicos de nevus pigmentados y su asociación con el diagnóstico histológico. Métodos: Se realizó una investigación observacional, analítica, de tipo correlacional, con pacientes de la zona sur de Ciego de Ávila que acudieron a la consulta de dermatología del Hospital Provincial General Docente Dr. Antonio Luaces Iraola en el periodo de abril 2017 a diciembre 2019. Resultados: Predominó el sexo femenino, el grupo de edad de 21 a 30 años, el fototipo II de piel y la zona expuesta (cara y V del escote) (18 ;35,3 por ciento) sin relación entre estas variables. El diagnóstico histológico de nevus de la unión se encontró asociado a la simetría (p < 0,004), la pigmentación homogénea (p < 0,000), así como al patrón dermatoscópico reticular (p < 0,000), globular (p < 0,002) y homogéneo (p < 0,008). El nevus intradérmico se observó asociado a la característica clínica de pigmentación homogénea (p < 0,007), y al patrón dermatoscópico reticular (p < 0,000) y homogéneo (p < 0,005). El nevus compuesto no presentó relación con las características clínicas ni dermatoscópicas. El nevus azul solo se correlacionó con el patrón dermatoscópico homogéneo (p < 0,025). Conclusión: Los patrones dermatoscópicos fueron útiles para el diagnóstico clínico e histológico de los nevus pigmentados(AU)


Introduction: The diagnostic precision of pigmented nevi has been a constant concern of dermatologists. Objective: To determine the usefulness of the Dermatoscope in the correlation of the clinical characteristics and the dermoscopic patterns of pigmented nevi and their association with the histological diagnosis. Methods: An analytical observational investigation of a correlational type was carried out in patients from the southern area of Ciego de Ávila who attended the Dermatology consultation at the Antonio Luaces Iraola Provincial Hospital in the period from April 2017 to December 2019. Results: The female sex, the age group of 21 to 30 years, skin phototype II and the exposed area (face and V of the neckline) (18; 35.3 percent) predominated with no relationship between these variables. The histological diagnosis of junctional nevus was found associated with symmetry (p <0.004), homogeneous pigmentation (p <0.000), as well as the reticular dermoscopic pattern (p <0.000), globular (p <0.002) and homogeneous (p <0.008). The intradermal nevus was observed associated with the clinical characteristic of homogeneous pigmentation (p <0.007), and with the reticular (p <0.000) and homogeneous (p <0.005) dermoscopic pattern. The composite nevus was not related to clinical or dermoscopic characteristics. The blue nevus only correlated with the homogeneous dermoscopic pattern (p <0.025). Conclusions: The dermoscopic patterns were useful for the clinical and histological diagnosis of pigmented nevi(AU)


Subject(s)
Humans , Pigmentation , Clinical Diagnosis , Dermatology , Nevus, Pigmented , Dermoscopy/methods
2.
Dermatol. argent ; 27(1): 20-24, ene.-mar. 2021. il, graf
Article in Spanish | LILACS, BINACIS | ID: biblio-1361641

ABSTRACT

Antecedentes: El reconocimiento de los melanomas de diámetro pequeño (MDP) a menudo plantea un desafío. Objetivos: Analizar el papel de la dermatoscopia y el seguimiento con dermatoscopia digital en el diagnóstico de los MDP. Diseño: Análisis retrospectivo, observacional, descriptivo, de una serie de 50 MDP diagnosticados entre 2015 y 2019. Resultados: De los MDP, 9 fueron motivo de consulta del paciente (MMC), 30 se detectaron durante el control rutinario de nevos (MMCR) y 11 se diagnosticaron por los cambios observados durante el seguimiento con dermatoscopia digital (MMDD). Cerca del 45% de los MMC fueron clasificados correctamente como lesiones malignas según la "regla ABCD de dermatoscopia"; esto se observó solo en el 20% de los MMCR y en ninguno de los MMDD. El algoritmo "caos y pistas" condujo a la extirpación en casi el 90% de los MMC, el 60% de los MMCR y el 50% de los MMDD. Los porcentajes de melanoma in situ fueron: 55% entre los MMC, 73,3% entre los MMCR y 72,9% entre los MMDD. En los melanomas invasores, el grosor de Breslow medio fue de 0,62 mm en el grupo MMC, de 0,5 mm en el MMCR y de 0,4 mm en el MMDD. Conclusiones: El uso rutinario de la dermatoscopia permite la detección de melanomas con bajo índice de sospecha que los pacientes podrían desconocer. Mediante el seguimiento digital es posible la detección de los melanomas incipientes que carecen no solo de criterios clínicos, sino también dermatoscópicos de malignidad.


Background: Recognition of small-diameter melanomas (SDM) is often challenging. Objective: To analyze the role of dermoscopy and follow-up with digital dermoscopy in the diagnosis of SDM. Design: Retrospective, observational, descriptive analysis of a series of 50 SDM diagnosed between 2015 and 2019. Results: Among the SMD, 9 cases were the patients' reason for consultation (MMC), 30 were detected during routine nevi control (MMCR) and 11 were diagnosed due to changes observed during followup with digital dermoscopy (MMDD). Near 45% of the MMC were correctly classified as malignant lesions according to the "ABCD rule of dermoscopy"; this was observed only in 20% of the MMCR and in none of the MMDD. The "chaos and clues" algorithm led to excision in almost 90% of MMC, 60% of MMCR, and 50% of MMDD. The percentages of in situ melanoma were: 55% in the MMC, 73.3% in the MMCR and 72.9% in the MMDD. Among invasive melanomas, mean Breslow thickness was 0.62 mm in the MMC group, 0.5 mm in the MMCR, and 0.4 mm in the MMDD. Conclusions: The routine use of dermoscopy allows for the detection of melanomas with a low index of suspicion that patients may not be aware of. The use of digital follow-up enables the detection of incipient melanomas that lack not only clinical but also dermoscopic criteria of malignancy.


Subject(s)
Humans , Male , Female , Adolescent , Adult , Middle Aged , Aged , Young Adult , Skin Neoplasms , Dermoscopy/methods , Melanoma/diagnosis , Skin , Retrospective Studies , Aftercare
3.
An. bras. dermatol ; 95(3): 379-382, May-June 2020. graf
Article in English | ColecionaSUS, LILACS, ColecionaSUS | ID: biblio-1130887

ABSTRACT

Abstract In situations in when a dermoscopic record of a large lesion is desirable, the resulting images are usually restricted to a small field of view due to the limited diameter of dermatoscope lenses. This limitation often produces several photographs separately, thus losing the possibility of a single-image global evaluation. In these case reports, we show examples of a recently published image montage technique called Wide Area Digital Dermoscopy, in this case, applied to basal cell carcinomas.


Subject(s)
Humans , Male , Skin Neoplasms/diagnostic imaging , Image Processing, Computer-Assisted/methods , Carcinoma, Basal Cell/diagnostic imaging , Dermoscopy/methods , Skin Neoplasms/pathology , Software , Carcinoma, Basal Cell/pathology , Reproducibility of Results , Middle Aged
6.
An. bras. dermatol ; 95(3): 332-335, May-June 2020. graf
Article in English | ColecionaSUS, LILACS, ColecionaSUS | ID: biblio-1130874

ABSTRACT

Abstract Tinea capitis comprising of tinea favosa and kerion is mostly seen in school-aged children. Some tinea capitis often presented with insignificant findings under the naked eyes are easily overlooked. The authors describe an unusual case of tinea capitis caused by Trichophyton violaceum. The patient was an 8-year-old girl, with a history of pruritus on the scalp for more than one year. A diagnosis of tinea capitis was confirmed by clinical examination aided by dermoscopy, calcium fluorescent microscopy and culture. Comma and corkscrew hairs are two specific dermoscopic patterns of tinea capitis. The patient was treated with systemic itraconazole, topical application with 1% naftifine 0.25% ketoconazole cream followed after daily hair wash with 2% ketoconazole shampoo for 8 weeks.


Subject(s)
Humans , Female , Child , Tinea Capitis/diagnostic imaging , Calcium , Microscopy, Fluorescence/methods , Tinea Capitis/pathology , Trichophyton/isolation & purification , Reproducibility of Results , Dermoscopy/methods
7.
An. bras. dermatol ; 95(2): 244-246, Mar.-Apr. 2020. graf
Article in English | ColecionaSUS, LILACS, ColecionaSUS | ID: biblio-1130856

ABSTRACT

Abstract The clinical diagnosis of Kyrle's disease may sometimes be challenging, due to the clinical similarity of lesions to other pruritic dermatosis. Although the dermoscopy is being increasingly used in daily practice, there is insufficient data in literature describing the dermoscopic patterns of Kyrle's disease, since only one report has been published to date. Herein we report our dermoscopic observation with additional diagnostic tips in a case who was diagnosed with Kyrle's disease histopathologically.


Subject(s)
Humans , Female , Dermoscopy/methods , Darier Disease/pathology , Darier Disease/diagnostic imaging , Biopsy , Keratinocytes/pathology , Reproducibility of Results , Middle Aged
8.
An. bras. dermatol ; 95(1): 78-81, Jan.-Feb. 2020. graf
Article in English | LILACS | ID: biblio-1088729

ABSTRACT

Abstract The number of individuals with tattoos has been increasing worldwide, alongside with reports of complications varying from reactions to the injected pigments to infections caused by agents inoculated in the pigmentation process. The diagnosis of such unwanted events can be obtained through complementary non-invasive methods, preserving the maximum of the tattoo design. The authors present two cases of patients with warts on tattooing, and correlate their clinical aspects to in vivo and ex vivo dermoscopy, and to the findings in the histopathological examination, aiming to determine patterns that aid the diagnosis of these lesions without performing biopsy.


Subject(s)
Humans , Male , Adult , Tattooing/adverse effects , Warts/pathology , Warts/diagnostic imaging , Papillomavirus Infections/pathology , Papillomavirus Infections/diagnostic imaging , Biopsy , Warts/virology , Papillomavirus Infections/virology , Dermoscopy/methods , Coloring Agents/adverse effects , Epidermis/pathology , Epidermis/virology
9.
An. bras. dermatol ; 95(1): 95-97, Jan.-Feb. 2020. graf
Article in English | LILACS | ID: biblio-1088711

ABSTRACT

Abstract The Borst-Jadassohn phenomenon is a morphological finding that consists of the presence of well-defined nests of cells located in the spiny stratum of an acanthotic epidermis. One of the neoplasms where this phenomenon is found is hidroacanthoma simplex. This neoplasm is considered the intraepidermal form of the eccrine poroma. Despite its benign nature, malignant transformations are reported. The present article reports a case of hidroacanthoma simplex and discusses the dermoscopy of this phenomenon.


Subject(s)
Humans , Female , Aged, 80 and over , Skin Neoplasms/pathology , Skin Neoplasms/diagnostic imaging , Acanthoma/pathology , Acanthoma/diagnostic imaging , Biopsy , Dermoscopy/methods , Epidermis/pathology , Epidermis/diagnostic imaging
10.
Int. j. odontostomatol. (Print) ; 13(4): 446-451, dic. 2019. tab, graf
Article in Spanish | LILACS | ID: biblio-1056483

ABSTRACT

RESUMEN: Las papilas fungiformes pigmentadas de la lengua, cuyas siglas son PFPT, del inglés Pigmented fungiform papillae of the tongue, es una condición asintomática, no progresiva que se presenta en personas de piel oscura, en las cuales las papilas fungiformes cambian de su color rosado natural, a una gama de café a negro. El objetivo de nuestro estudio es reportar y describir las caractetísticas clínicas, dermatoscópicas e histológicas de la PFPT por primera vez en una serie de pacientes ecuatorianos. Estudio prospectivo simple en el Centro de Especialidades Dermatológicas Garzón, período de dos años. El criterio de inclusión fue cambio de coloración a nivel lingual, se recolectaron datos demográficos, clínicos; fotografías, dermatoscopía, y biopsia, para tinción con hematoxilina-eosina y Fontana-Mason. Examinamos 8.640 pacientres, 15 (12 mujeres, 3 varones) fueron diagnosticados de PFPT. La edad promedio fue 31 años, todos fueron mestizos, con fototipo de piel predominante III y IV. El tiempo de evolución promedio en años fue 5,8. Ninguno tuvo antescedentes familiares o personales relacionados a la patología. La evaluación clínica demostró que el patrón de distribución de acuerdo a la clasificación de Holzwanger en la gran mayoría fue tipo II (13/15). En todos los casos la dermatoscopía y la histología fueron específicas demostrando hallazgos típicos y comprobatorios de PFPT.


ABSTRACT: The pigmented fungiform papillae of the tongue, whose acronyms are PFPT, of the English Pigmented fungiform papillae of the tongue, is an asymptomatic, nonprogressive condition that occurs in dark-skinned people, in which the fungiform papillae change their color natural pink, to a range of brown to black. The aim of our study is to report and describe the clinical, dermatoscopic and histological characteristics of the PFPT for the first time in a series of Ecuadorian patients. A simple prospective study at the Garzón Dermatological Specialty Center, a two-year period. The inclusion criteria was lingual change of color, demographic, clinical data were collected; photographs, dermatoscopy, and biopsy, for staining with hematoxylin-eosin and FontanaMason. We examined 8,640 patients, 15 (12 women, 3 men) were diagnosed with PFTP. The range of age was 31 years, all were mestizos, with skin phototype predominant III and IV. The range of evolution time in years was 5.8. None had family or personal precedents related to the pathology. The clinical evaluation showed that the pattern of distribution according to the Holzwanger classification in the great majority was type II (13/15). In all cases, the dermatoscopy and histology were specific, demonstrating typical and evidential findings of PFPT.


Subject(s)
Humans , Male , Female , Child , Adolescent , Adult , Middle Aged , Skin Neoplasms , Taste Buds/pathology , Tongue Diseases/pathology , Hyperpigmentation/pathology , Melanins/analysis , Tongue Diseases/etiology , Biopsy , Prospective Studies , Demographic Data , Mycosis Fungoides/complications , Hyperpigmentation/etiology , Dermoscopy/methods , Coloring Agents , Ecuador
11.
An. bras. dermatol ; 94(6): 637-657, Nov.-Dec. 2019. tab, graf
Article in English | LILACS | ID: biblio-1054878

ABSTRACT

Abstract Actinic keratoses are dysplastic proliferations of keratinocytes with potential for malignant transformation. Clinically, actinic keratoses present as macules, papules, or hyperkeratotic plaques with an erythematous background that occur on photoexposed areas. At initial stages, they may be better identified by palpation rather than by visual inspection. They may also be pigmented and show variable degrees of infiltration; when multiple they then constitute the so-called field cancerization. Their prevalence ranges from 11% to 60% in Caucasian individuals above 40 years. Ultraviolet radiation is the main factor involved in pathogenesis, but individual factors also play a role in the predisposing to lesions appearance. Diagnosis of lesions is based on clinical and dermoscopic examination, but in some situations histopathological analysis may be necessary. The risk of transformation into squamous cell carcinoma is the major concern regarding actinic keratoses. Therapeutic modalities for actinic keratoses include topical medications, and ablative and surgical methods; the best treatment option should always be individualized according to the patient.


Subject(s)
Humans , Dermoscopy/methods , Keratosis, Actinic/therapy , Keratosis, Actinic/diagnostic imaging , Skin Neoplasms/pathology , Skin Neoplasms/diagnostic imaging , Severity of Illness Index , Carcinoma, Squamous Cell/pathology , Carcinoma, Squamous Cell/diagnostic imaging , Risk Factors , Keratosis, Actinic/pathology
12.
An. bras. dermatol ; 94(5): 608-611, Sept.-Oct. 2019. tab, graf
Article in English | LILACS | ID: biblio-1054872

ABSTRACT

Abstract Dissecting cellulitis is an inflammatory, chronic, and recurrent disease of the hair follicles that mainly affects young Afro-descendent men. Trichoscopy is a method of great diagnostic value for disorders of the scalp. Clinical and trichoscopic findings of dissecting cellulitis are heterogeneous and may present features common to non-cicatricial and scarring alopecia. This article presents the trichoscopic findings of dissecting cellulitis that help in the diagnosis and consequent institution of the appropriate therapy and better prognosis of the disease.


Subject(s)
Humans , Scalp Dermatoses/diagnostic imaging , Cellulitis/pathology , Cellulitis/diagnostic imaging , Hair Follicle/pathology , Hair Follicle/diagnostic imaging , Dermoscopy/methods , Scalp Dermatoses/pathology , Skin Diseases, Genetic/pathology , Skin Diseases, Genetic/diagnostic imaging , Erythema/diagnosis , Erythema/pathology , Hair/pathology , Hair/diagnostic imaging
13.
An. bras. dermatol ; 94(5): 612-614, Sept.-Oct. 2019. graf
Article in English | LILACS | ID: biblio-1054855

ABSTRACT

Abstract Tinea incognito resulting from corticosteroid abuse is becoming very common in the tropics. Its diagnosis is tricky owing to its confusing morphology, as well as practical and technical issues associated with mycological tests. Dermoscopy has now evolved as a novel diagnostic tool for diagnosing tinea incognito in such challenging situations, since the typical hair changes such as Morse-code hairs, deformable hairs, translucent hairs, comma and cork screw hairs, and perifollicular scaling may be seen despite steroid use, irrespective of mycological results.


Subject(s)
Humans , Male , Young Adult , Tinea/pathology , Tinea/diagnostic imaging , Dermoscopy/methods , Tinea/etiology , Adrenal Cortex Hormones/adverse effects , Hair/pathology
14.
An. bras. dermatol ; 94(4): 416-421, July-Aug. 2019. tab, graf
Article in English | LILACS | ID: biblio-1038289

ABSTRACT

Abstract: Background: Frontal fibrosing alopecia is a condition of unknown origin, histologically similar to classic lichen planopilaris and generally observed in postmenopausal women with alopecia of the frontal-temporal hairline. Objectives: To describe the clinical, dermatoscopic, and histopathological characteristics and the treatment used in patients who have frontal fibrosing alopecia at the Alopecia Outpatient Clinic in a university hospital. Methods: Retrospective descriptive study performed by reviewing medical charts and biopsies of the scalp. Results: Sixteen patients were analyzed, all of them female, 93.75% of them postmenopausal, and 56.25% brown-skinned. All had frontal alopecia (100%), followed by temporal alopecia (87.5%) and madarosis (87.5%). On dermatoscopy, perifollicular erythema and tubular scales were found as a sign of disease activity. Of the patients, 68.75% had associated autoimmune diseases, including lupus, thyroid disease and vitiligo. Of the 13 biopsies from 8 patients, 10 showed microscopic aspects compatible with frontal fibrosing alopecia. Laboratory tests did not show major abnormalities and minoxidil was the most used treatment. Study limitation: Data collection limited by the study's retrospective design associated to flaws while filling in the medical charts and absence in standards to the collection and processing of the pathology and histopathological examination. Conclusions: A demographical, clinical, and histopathological description of 16 patients diagnosed with frontal fibrosing alopecia, which remains a challenging disease, of unknown origin, and frequently associated with autoimmune diseases. This study reinforces literary findings. However, more research is needed to establish the pathogenesis and effective treatments.


Subject(s)
Humans , Female , Adult , Middle Aged , Aged , Aged, 80 and over , Alopecia/pathology , Scalp/pathology , Biopsy , Fibrosis , Retrospective Studies , Hair Follicle/pathology , Dermoscopy/methods , Alopecia/drug therapy , Hospitals, University
15.
An. bras. dermatol ; 94(2): 230-232, Mar.-Apr. 2019. graf
Article in English | LILACS | ID: biblio-1001135

ABSTRACT

Abstract Eccrine porocarcinoma (EPC) is a rare malignant skin tumor. The dermoscopy of invasive EPC reveals focal presence of whitish-pink, structureless areas surrounded by pinkish-white halos. In an eccrine poroma (EP), such areas present diffuse distribution in the "frog- eggs" pattern. We reported an EPC in situ that presents a transitional dermoscopy pattern between EP and invasive EPC. We found a diffuse distribution; whitish-pink, structureless areas surrounded by pinkish-white halos; a central exulceration and a polymorphic vascular pattern.


Subject(s)
Humans , Female , Aged , Sweat Gland Neoplasms/diagnostic imaging , Poroma/diagnostic imaging , Eccrine Porocarcinoma/diagnostic imaging , Sweat Gland Neoplasms/pathology , Biopsy , Dermoscopy/methods , Diagnosis, Differential , Poroma/pathology , Eccrine Porocarcinoma/pathology , Leg
16.
An. bras. dermatol ; 94(1): 93-95, Jan.-Feb. 2019. graf
Article in English | LILACS | ID: biblio-983740

ABSTRACT

Abstract: Reflectance confocal microscopy (RCM) is a noninvasive imaging technique that allows visualization of the epidermis and papillary dermis with cellular-level resolution. Granulomatous reactions such as sarcoidosis could be assessed using RCM. The identification of bright beaded-like structures that could correspond to reticulin fibers overlying granulomas, in association with dermoscopy, may be a very useful approach in the diagnosis of sarcoidosis and for the differentiation of this granulomatous entity with superficial cutaneous metastasis.


Subject(s)
Humans , Female , Aged , Sarcoidosis/diagnostic imaging , Skin Diseases/diagnostic imaging , Microscopy, Confocal/methods , Sarcoidosis/pathology , Skin Diseases/pathology , Biopsy , Dermoscopy/methods , Granuloma/pathology , Granuloma/diagnostic imaging
18.
An. bras. dermatol ; 94(1): 79-81, Jan.-Feb. 2019. tab, graf
Article in English | LILACS | ID: biblio-983755

ABSTRACT

Abstract: We report the case of a 47-year-old male patient with S100 negative granular cell tumor of the oral cavity, focusing on dermoscopic features as well as surgical approach, not previously reported in the literature. The study contributes to the literature on dermoscopy and surgical treatment for this tumor and provides a practical approach to differentiating non-neural granular cell tumors and granular cell tumors.


Subject(s)
Humans , Male , Middle Aged , Mouth Neoplasms/surgery , Mouth Neoplasms/pathology , Mouth Neoplasms/chemistry , Mouth Neoplasms/diagnostic imaging , S100 Proteins , Granular Cell Tumor/surgery , Granular Cell Tumor/pathology , Granular Cell Tumor/chemistry , Granular Cell Tumor/diagnostic imaging , Dermoscopy/methods , Treatment Outcome
19.
Rev. chil. dermatol ; 35(4): 154-157, 2019. ilus
Article in Spanish | LILACS | ID: biblio-1120279

ABSTRACT

El poroma es un tumor benigno infrecuente derivado de la porción intraepitelial del epitelio ductal de la glándula sudorípara. La presentación clínica más habitual es un pápula o nódulo de color rosado a rojo, de pequeño diámetro, localizado con mayor frecuencia en palmas y plantas, generalmente asintomático. Debido a su variabilidad morfológica, los poromas son usualmente difíciles de reconocer, siendo la dermatoscopía una herramienta útil en su diagnóstico. Presentamos el caso de un paciente masculino con un gran tumor en su pierna derecha de 40 mm de diámetro, con características dermatoscópicas compatibles con poroma no pigmentado. El diagnóstico confirmatorio se realizó con una biopsia incisional seguido de la extirpación quirúrgica completa del tumor


Poroma is a rare benign tumour derived from the intraepithelial portion of the sweat glands' ductal epithelium. The most common clinical presentation is a pink to red papule or nodule, small in diameter, predominantly in the palms and soles and generally asymptomatic. Due to its morphologic variability, poromas are usually difficult to recognize, thus dermatoscopy becomes a useful aid in its diagnosis. We present the case of a male patient with a large tumour on his right leg, 40 mm in diameter, with dermatoscopic features consistent with nonpigmented poroma. Confirmatory diagnosis was made by incisional biopsy followed by the total surgical excision of the tumor.


Subject(s)
Humans , Male , Middle Aged , Sweat Gland Neoplasms/diagnosis , Dermoscopy/methods , Poroma/diagnosis , Sweat Gland Neoplasms/pathology , Diagnosis, Differential , Poroma/pathology
20.
Rev. chil. dermatol ; 35(4): 166-169, 2019. ilus, tab
Article in English | LILACS | ID: biblio-1120282

ABSTRACT

El molusco contagioso (MC) es una infección viral frecuente, generalmente fácil de diagnosticar gracias a sus manifestaciones clínicas características. Sin embargo, las presentaciones clínicas atípicas pueden suponer un desafío diagnóstico. La dermatoscopia ha ayudado en estos casos complejos, al mostrar un patrón dermatoscópico característico compuesto por un poro central o umbilicación junto con estructuras amorfas polilobulares de color blanco a amarillo, rodeadas de vasos lineales o ramificados ('vasos en corona"). Sin embargo, se pueden encontrar patrones dermatoscópicos adicionales. Presentamos dos casos de MC donde se observaron rosetas en la dermatoscopia.


Molluscum contagiosum (MC), a frequent viral infection, is generally easy to diagnose because of its characteristic clinical features. However, atypical presentations can be a diagnostic challenge for clinicians. Dermoscopy has helped in this cases by showing a characteristic dermoscopic pattern composed of a central pore or umbilication in conjunction with polylobular white to yellow amorphous structures, surrounded by linear or branched vessels ('red crown"). However, additional dermoscopic patterns can be found. Herein we present two MC cases where rosettes were seen on dermoscopy


Subject(s)
Humans , Female , Child , Adolescent , Adult , Skin/pathology , Dermoscopy/methods , Molluscum Contagiosum/diagnosis
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