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1.
Br J Dermatol ; 160(4): 815-22, 2009 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-19120325

RESUMEN

BACKGROUND: Cutaneous lymphomas may have a profound impact on patients' health-related quality of life (HRQoL) and psychological well-being. OBJECTIVES: To evaluate HRQoL and psychological distress in patients with cutaneous lymphoma, and to evaluate them in relation to personal and clinical characteristics. METHODS: Patients with cutaneous T-cell lymphoma or cutaneous B-cell lymphoma (CBCL) were consecutively recruited in a dermatological hospital. Data on HRQoL were collected using a dermatology-specific questionnaire, the Skindex-29, and an oncology-specific questionnaire, the EORTC QLQ-C30. RESULTS: Of 95 patients, there were 24 with CBCL, 59 with mycosis fungoides (MF) and 12 with Sézary syndrome (SS). The most frequent items reported in Skindex-29 were itching and sensitive skin, being annoyed by the disease, worry that it could get worse, affected interactions, and impairment in sexual life. The most frequent problems appearing from the EORTC QLQ-C30 analysis were fatigue, pain and insomnia. A worse HRQoL was observed for all the scales in patients with SS, followed by MF, and CBCL. HRQoL impairment in all histotypes was higher in women than in men, in patients with probable anxiety or depression, and when the disease worsened. The highest prevalence of probable anxiety or depression was observed in patients treated with systemic steroids (60%) and interferon (50%). CONCLUSIONS: The detailed evaluation of HRQoL and psychological problems in patients with cutaneous lymphomas, and their relationship with clinical variables, may give important information on the burden of the disease for patients, and thus improve communication and satisfaction with care.


Asunto(s)
Linfoma de Células B/psicología , Micosis Fungoide/psicología , Calidad de Vida/psicología , Síndrome de Sézary/psicología , Neoplasias Cutáneas/psicología , Enfermedad Crónica , Femenino , Estado de Salud , Humanos , Masculino , Persona de Mediana Edad , Encuestas y Cuestionarios
2.
Cancer Res ; 57(4): 747-52, 1997 Feb 15.
Artículo en Inglés | MEDLINE | ID: mdl-9044855

RESUMEN

Tumor DNA from 45 primary basal cell carcinoma (BCC) biopsies was screened for p53 gene mutations, chromosome 9 allele loss, and microsatellite instability. p53 mutation frequency increased significantly as a function of the age at BCC onset ranging from 6% (1/16) in early BCC (before age 40 years) to 35% (10/29) in late BCC. All p53 mutations found implicated sunlight as the mutagen. Chromosome 9 instability (allele loss or microsatellite instability) was detected at high frequency (38%) independently of age at tumor onset. Allelic loss was confined to chromosome 9q, whereas microsatellite instability was observed prevalently on chromosome 9p often in association with a replication error (RER+) phenotype. Most of our late BCC patients reported occupational sun exposure, while early BCC patients recalled childhood (0-20 years) recreational sun exposure. These data suggest that chronic exposure to sunlight is responsible for accumulation of p53 mutations and thus for late BCC appearance, whereas acute UV exposure in childhood and adolescence leads to early skin cancer development in genetically susceptible individuals via a p53-independent pathway.


Asunto(s)
Carcinoma Basocelular/genética , Aberraciones Cromosómicas , Genes p53/genética , Repeticiones de Microsatélite/genética , Mutación , Neoplasias Cutáneas/genética , Adulto , Distribución por Edad , Edad de Inicio , Anciano , Anciano de 80 o más Años , Mapeo Cromosómico , Cromosomas Humanos Par 9/genética , Femenino , Neoplasias de Cabeza y Cuello/genética , Humanos , Masculino , Persona de Mediana Edad
3.
J Clin Oncol ; 18(13): 2603-6, 2000 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-10893292

RESUMEN

PURPOSE: To evaluate the efficacy and toxicity of gemcitabine, a novel pyrimidine antimetabolite with a low-toxicity profile and activity in several solid tumors, in patients with relapsed or refractory cutaneous T-cell lymphomas. PATIENTS AND METHODS: Between May 1997 and February 1999, 44 previously treated patients with mycosis fungoides (MF; n = 30) and peripheral T-cell lymphoma unspecified (PTCLU) with exclusive skin involvement (n = 14) were enrolled onto a two-institution, phase II trial and treated with gemcitabine. This drug was given on days 1, 8, and 15 of a 28-day schedule at a dose of 1,200 mg/m(2) intravenously over 30 minutes for a total of three courses. RESULTS: Of the 44 patients, five (11. 5%) achieved complete responses (CRs), 26 (59%) partial responses (PRs), and the remaining 13 showed no benefit from the treatment. Two of the CRs were histologically confirmed. The CR and PR rates were the same for patients with MF and those with PTCLU, respectively. No difference in terms of overall response rate was observed between relapsed and refractory patients. The median durations of CR and PR were 15 months (range, 6 to 22 months) and 10 months (range, 2 to 15 months), respectively. Treatment was well tolerated; hematologic toxicity was mild, and no nausea/vomiting or organ toxicity was recorded. CONCLUSION: The results of the present phase II study show activity of gemcitabine as a single agent in patients with pretreated cutaneous T-cell lymphoma. Further studies that use gemcitabine alone or in combination with other drugs in earlier stages of the disease are needed.


Asunto(s)
Antimetabolitos Antineoplásicos/uso terapéutico , Desoxicitidina/análogos & derivados , Linfoma Cutáneo de Células T/tratamiento farmacológico , Neoplasias Cutáneas/tratamiento farmacológico , Adulto , Anciano , Anciano de 80 o más Años , Desoxicitidina/uso terapéutico , Femenino , Humanos , Linfoma Cutáneo de Células T/mortalidad , Linfoma Cutáneo de Células T/patología , Masculino , Persona de Mediana Edad , Micosis Fungoide/tratamiento farmacológico , Micosis Fungoide/mortalidad , Micosis Fungoide/patología , Neoplasias Cutáneas/mortalidad , Neoplasias Cutáneas/patología , Tasa de Supervivencia , Gemcitabina
4.
Cancer Epidemiol Biomarkers Prev ; 8(6): 553-9, 1999 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-10385147

RESUMEN

DNA repair capacity (DRC) was studied in 49 patients affected by basal cell carcinoma (BCC) and 68 cancer-free controls belonging to a larger case-control population enrolled for studying BCC risk factors. DRC was measured in the subjects' peripheral blood lymphocytes by using a host-cell reactivation assay that measures cellular activation of a reporter gene irradiated with UV light. A statistically significant age-related decline in DRC was observed in the controls from 20 to 70 years of age but not in the BCC cases. When the DRC values of the BCC patients and controls were compared by age, young BCC cases (age, < or =40 year) repaired less than the controls, although the difference was not statistically significant. Conversely, older BCC patients (age, >40 years) presented an enhanced repair capacity (P < 0.001) as compared with their controls. The search for possible factors associated with the high repair rate of elderly BCC cases revealed that both target cell physiology and life-style habits may affect host DNA repair. Smoking was the variable that explained most of the increase in DRC among older patients. The understanding of how these factors affect host DRC will be relevant for a correct use of this biomarker.


Asunto(s)
Carcinoma Basocelular/etiología , Reparación del ADN/genética , Predisposición Genética a la Enfermedad/genética , Neoplasias Cutáneas/etiología , Rayos Ultravioleta/efectos adversos , Adulto , Distribución por Edad , Factores de Edad , Anciano , Bioensayo , Estudios de Casos y Controles , Femenino , Genes Reporteros/genética , Humanos , Estilo de Vida , Masculino , Persona de Mediana Edad , Factores de Riesgo , Linfocitos T
5.
Cancer Lett ; 110(1-2): 87-91, 1996 Dec 20.
Artículo en Inglés | MEDLINE | ID: mdl-9018085

RESUMEN

Eighteen patients with facial actinic keratoses were treated with the retinoid fenretinide (4-HPR), applied topically twice-daily for 3 months. After 3 months of treatment, complete regression was observed in 56% and partial regression in 44% of cases. Eight patients relapsed within 3 months after drug discontinuation. Six months later, only two patients (11%) showed a treatment response (complete regression). Blood samples showed that 4-HPR was not absorbed and no local or distant adverse effects were observed. Baseline plasma retinol levels were lower than in healthy subjects, thus suggesting that reduced retinol levels might be involved in this pathology. These encouraging preliminary results suggest the need for further studies to evaluate the best dosage schedules and duration of 4-HPR topical application in actinic keratoses.


Asunto(s)
Anticarcinógenos/uso terapéutico , Dermatosis Facial/tratamiento farmacológico , Fenretinida/uso terapéutico , Queratosis/tratamiento farmacológico , Lesiones Precancerosas/tratamiento farmacológico , Administración Tópica , Adulto , Dermatosis Facial/sangre , Femenino , Humanos , Queratosis/sangre , Masculino , Persona de Mediana Edad , Lesiones Precancerosas/sangre , Inducción de Remisión , Vitamina A/sangre
6.
Arch Dermatol ; 137(9): 1162-8, 2001 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-11559211

RESUMEN

OBJECTIVE: To investigate the role of pigmentary traits, different patterns of sun exposure, artificial sources of UV radiation, and lifestyle-related factors on the risk of basal cell carcinoma (BCC) in a Mediterranean population from central-southern Italy. DESIGN: Hospital-based case-control study. SETTING: A referral dermatological hospital in Rome, Italy. PATIENTS: A convenience sample of 166 case patients with histologically confirmed BCC and 158 cancer-free control subjects with minor dermatological conditions observed between March 1995 and June 1997. RESULTS: In the multivariate analysis, the mean number of weeks per year spent at the beach before the age of 20 years was significantly associated with BCC. A dose-response trend was found for subjects who had spent 3 to 4 (odds ratio, 1.8; 95% confidence interval, 0.8-4.4), 5 to 8 (odds ratio, 3.7; 95% confidence interval, 1.5-9.0), or more than 8 (odds ratio, 4.5; 95% confidence interval, 1.9-10.5) weeks per year at the beach (P =.01 for trend). There was a significant association with the presence of actinic keratoses or solar lentigines, whereas no effect was found for skin type, history of sunburns, exposure to nonsolar UV radiation, and lifestyle-related habits such as cigarette smoking, alcohol consumption, and coffee drinking. Subjects reporting a family history of skin cancer had an extremely increased risk of BCC. CONCLUSION: The definite association with recreational sun exposure during childhood and adolescence and the strong relation with family history of skin cancer suggest that genetic predisposition and peculiar exposure patterns to UV radiation are key independent risk factors for the development of BCC in a southern European population.


Asunto(s)
Carcinoma Basocelular/etiología , Etnicidad , Neoplasias Inducidas por Radiación/etiología , Recreación , Neoplasias Cutáneas/etiología , Luz Solar/efectos adversos , Rayos Ultravioleta/efectos adversos , Adolescente , Adulto , Anciano , Carcinoma Basocelular/etnología , Intervalos de Confianza , Relación Dosis-Respuesta en la Radiación , Femenino , Humanos , Italia , Estilo de Vida , Masculino , Persona de Mediana Edad , Neoplasias Inducidas por Radiación/etnología , Oportunidad Relativa , Factores de Riesgo , Neoplasias Cutáneas/etnología , Pigmentación de la Piel/efectos de la radiación
7.
Ann Ist Super Sanita ; 32(1): 29-36, 1996.
Artículo en Inglés | MEDLINE | ID: mdl-8804183

RESUMEN

Basal cell and squamous cell carcinomas are the most common skin cancers, occurring mainly on sun-damaged skin of old persons. Basal cell carcinoma is a neoplasm of follicular germinative cells which may infiltrate and destroy adjacent tissues, but rarely metastasizes. Five clinico-pathologic types of basal cell carcinomas can be recognized, namely, nodulo-ulcerative, superficial, morpheiform, fibroepithelial, and infundibulo-cystic. Actinic keratosis and Bowen's disease are intrepidermal proliferation of atypical keratinocytes that eventually may progress to become over squamous cell carcinoma. Lesions arising in sites of chronic injury or scarring bear an higher risk of metastases. Keratoacanthoma is a rapidly evolving tumor of keratinocytes that resolves spontaneously. Keratoacanthoma might represent a self-healing type of squamous cell carcinoma.


Asunto(s)
Carcinoma Basocelular/patología , Carcinoma de Células Escamosas/patología , Neoplasias Cutáneas/patología , Enfermedad de Bowen/patología , Carcinoma Basocelular/clasificación , Carcinoma de Células Escamosas/clasificación , Humanos , Queratinocitos/patología , Queratoacantoma/patología , Queratosis/patología , Metástasis de la Neoplasia , Remisión Espontánea , Neoplasias Cutáneas/clasificación
8.
Psychosomatics ; 46(6): 556-64, 2005.
Artículo en Inglés | MEDLINE | ID: mdl-16288135

RESUMEN

The authors' aim was to investigate the role of stressful events, perceived social support, attachment security, and alexithymia in triggering exacerbations of diffuse plaque psoriasis. Inpatients experiencing a recent exacerbation of diffuse plaque psoriasis (N=33) were compared with inpatients with skin conditions believed to have a negligible psychosomatic component (N=73). Stressful events during the last year were assessed with Paykel's Interview for Recent Life Events. Attachment style, alexithymia, and perceived social support were assessed with the Experiences in Close Relationships questionnaire, the Toronto Alexithymia Scale, and the Multidimensional Scale of Perceived Social Support, respectively. Multiple logistic regression analysis was used to control for age, gender, education, marital status, and alcohol consumption. In relation to comparison subjects, the patients with psoriasis had lower perceived social support and higher attachment-related avoidance. Also, they were more likely to have high alexithymic characteristics. There were no differences between the patients with psoriasis and the comparison subjects in scores on the Experiences in Close Relationships anxiety scale, the total number of stressful events, and the number of undesirable, uncontrollable, or major events. Although caution should be applied in generalizing these findings to outpatients, this study suggests that alexithymia, attachment-related avoidance, and poor social support might increase susceptibility to exacerbations of diffuse plaque psoriasis, possibly through impaired emotional regulation. Several physiological mechanisms involving the neuroendocrine and the immune system might mediate the interplay between stress, personality, and diffuse plaque psoriasis.


Asunto(s)
Afecto , Psoriasis/psicología , Apoyo Social , Estrés Psicológico/psicología , Adolescente , Adulto , Femenino , Humanos , Acontecimientos que Cambian la Vida , Masculino , Persona de Mediana Edad , Psoriasis/diagnóstico , Psoriasis/etiología , Índice de Severidad de la Enfermedad , Encuestas y Cuestionarios
9.
Br J Dermatol ; 153(2): 324-30, 2005 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-16086743

RESUMEN

BACKGROUND: There is a need for reliable, easily measurable laboratory markers that may help dermatologists to predict the course of mycosis fungoides (MF) when they first evaluate their patients. OBJECTIVES: Our objective was to identify clinical, haematological or immunological parameters as predictors of mortality in patients with MF. METHODS: We conducted a retrospective study on a prevalent cohort of 124 patients with MF hospitalized at IDI-IRCCS, Rome, Italy, from 1983 to 2001. We calculated the proportion of patients surviving (Kaplan-Meier product-limit estimates) 5 and 10 years after first hospital admission, and hazard ratios (HR) from the Cox proportional hazards model. RESULTS: Patients' survival was linked to age and staging (lower survival in older patients and in patients with staging IIB-IV). Higher numbers of white blood cells (WBC) and neutrophils, lower numbers of CD8+ lymphocytes, low haematocrit and lower levels of albumin were significantly associated with a lower survival probability. When simultaneously accounting for age and staging, CD8+ [HR = 3.02, 95% confidence interval (CI) 1.01-9.07 for CD8+ < 250 vs. > or = 600 cells microL(-1)] and WBC (HR = 2.59, 95% CI 0.96-6.96 for WBC > or = 9000 vs. < 6000 cells microL(-1)) were associated with survival. In addition, we observed an exceedingly high risk of death (HR = 12.40, 95% CI 3.11-49.43) for patients with a combination of WBC > or = 9000 and CD8+ < 600 cells microL(-1) vs. WBC < 9000 and CD8+ > or = 600 cells microL(-1)). CONCLUSIONS: The measurement of CD8+ cells and WBC in MF seems to be a promising criterion to predict survival, and possibly to support treatment decisions and inclusion of patients in randomized controlled trials.


Asunto(s)
Linfocitos T CD8-positivos , Micosis Fungoide/sangre , Micosis Fungoide/mortalidad , Neoplasias Cutáneas/sangre , Neoplasias Cutáneas/mortalidad , Factores de Edad , Anciano , Albúminas/análisis , Recuento de Células Sanguíneas/métodos , Femenino , Hematócrito , Humanos , Masculino , Persona de Mediana Edad , Estadificación de Neoplasias , Neutrófilos , Fagocitos , Estudios Retrospectivos , Análisis de Supervivencia
10.
Dermatology ; 201(3): 261-4, 2000.
Artículo en Inglés | MEDLINE | ID: mdl-11096202

RESUMEN

Keratosis lichenoides chronica (KLC) is a rare chronic dermatosis characterized by lichenoid hyperkeratotic papules arranged in a linear and reticular pattern, and seborrheic-dermatitis-like lesions on the face. Less frequently, palmoplantar keratoderma, nail dystrophies, mucosal as well as eye lesions are present. KLC affects adults and very few cases have been reported in childhood. Although infrequently, KLC has been associated with systemic diseases, including chronic infectious diseases, kidney disorders and lymphoma. Here we report the case of an adult KLC patient with skin, nail and mucosal involvement, and onset in the first year of life who developed a leg panniculitis and a mantle cell lymphoma. Following chemotherapy for the lymphoma, panniculitis resolved completely, and skin and mucosal KLC lesions ameliorated.


Asunto(s)
Queratosis/patología , Úlcera de la Pierna/patología , Erupciones Liquenoides/patología , Linfoma de Células B/patología , Paniculitis/patología , Adulto , Humanos , Masculino
11.
Dermatol Surg ; 21(9): 786-8, 1995 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-7655798

RESUMEN

BACKGROUND: General anesthesia has been reported to compromise several cell-mediated immune functions. Hence it is plausible that anesthesia could affect the postoperative outcome of cancer patients. OBJECTIVE: To study the influence of the type of anesthesia on survival of 459 patients with localized cutaneous melanoma observed between 1980 and 1991. METHODS: Crude survival proportions were calculated by the methods of Kaplan and Meier. Cox proportional hazards regression analysis was used to estimate the effect on death rates of the type of anesthesia. RESULTS: The 5-year survival proportions were 81% for patients treated under local anesthesia, 71.9% for patients receiving halothane isoflurane or enflurane, and 88.4% for neuroleptanalgesia (P < .05). After multiple adjustment for other prognostic variables (tumor thickness, presence of ulceration, age, sex, cross-sectional profile), using patients treated under local anesthesia as a reference group, the relative risk for general anesthesia with volatile agents was 1.3 (95% CI, 0.84-2.10). CONCLUSION: The type of anesthesia does not seem to affect the survival of patients with cutaneous melanoma, when other prognostic factors are considered.


Asunto(s)
Anestesia General , Anestesia Local , Melanoma/cirugía , Neoplasias Cutáneas/cirugía , Adolescente , Adulto , Factores de Edad , Anestesia por Inhalación , Femenino , Estudios de Seguimiento , Humanos , Masculino , Melanoma/patología , Persona de Mediana Edad , Neuroleptanalgesia , Pronóstico , Modelos de Riesgos Proporcionales , Análisis de Regresión , Factores Sexuales , Neoplasias Cutáneas/patología , Úlcera Cutánea/patología , Tasa de Supervivencia , Resultado del Tratamiento
13.
Psychother Psychosom ; 72(3): 150-8, 2003.
Artículo en Inglés | MEDLINE | ID: mdl-12707482

RESUMEN

BACKGROUND: It has often been suggested that stress might trigger vitiligo. However, only one study supported this hypothesis, and no study explored the role of other personality or social factors. METHODS: Out-patients experiencing a recent onset or exacerbation of vitiligo (n = 31) were compared with out-patients with skin conditions in which psychosomatic factors are commonly were regarded as negligible (n = 116). Stressful events during the last 12 months were assessed with Paykel's Interview for Recent Life Events. Attachment style, alexithymia and social support were assessed with the 'Experiences in Close Relationships' questionnaire, the Toronto Alexithymia Scale (TAS-20), and the Multidimensional Scale of Perceived Social Support, respectively. RESULTS: Cases and controls did not differ regarding the total number of events and the number of undesirable, uncontrollable or major events. Three or more uncontrollable events had occurred more frequently among cases than controls. Perceived social support was lower in cases than in controls. Cases scored higher than controls on anxious attachment, tended towards higher scores on avoidant attachment and were classified more often as insecure. Cases scored higher than controls on the TAS-20 and were classified more often as alexithymic or borderline alexithymic. The occurrence of many uncontrollable events, alexithymia and anxious attachment were associated with vitiligo also in multiple logistic regression analysis. CONCLUSIONS: These findings suggest that vulnerability to vitiligo is not increased by stressful events, except for many uncontrollable events. Alexithymia, insecure attachment and poor social support appear to increase susceptibility to vitiligo, possibly through deficits in emotion regulation or reduced ability to cope effectively with stress.


Asunto(s)
Relaciones Interpersonales , Apoyo Social , Estrés Psicológico , Vitíligo/psicología , Adaptación Psicológica , Adulto , Estudios de Casos y Controles , Femenino , Humanos , Acontecimientos que Cambian la Vida , Masculino , Persona de Mediana Edad , Vitíligo/etiología
14.
Psychosomatics ; 44(5): 374-81, 2003.
Artículo en Inglés | MEDLINE | ID: mdl-12954911

RESUMEN

Although the onset of alopecia areata has often been anecdotally linked with emotional stress, findings from the few controlled studies have not been univocal. The authors compared outpatients experiencing a recent onset of alopecia areata (N=21) with outpatients affected by skin conditions commonly believed as having a low psychosomatic component (N=102). Participants were administered Paykel's Interview for Recent Life Events, the Experiences in Close Relationships scale, the 20-item Toronto Alexithymia Scale, and the Multidimensional Scale of Perceived Social Support. Multiple logistic regression was used to control for age and gender. The total number of recent life events (last 12 months) was not different between the alopecia patients and the comparison subjects. Also, the alopecia patients and the comparison subjects did not differ in terms of the number of undesirable or major events. The comparison subjects even experienced a greater number of uncontrollable events. Alopecia areata tended to be associated with high avoidance in attachment relationships, high alexithymic characteristics, and poor social support. The results suggest that personality characteristics might modulate individual susceptibility to alopecia areata.


Asunto(s)
Alopecia Areata/psicología , Acontecimientos que Cambian la Vida , Trastornos Psicofisiológicos/psicología , Adolescente , Adulto , Síntomas Afectivos/diagnóstico , Síntomas Afectivos/psicología , Alopecia Areata/epidemiología , Comorbilidad , Mecanismos de Defensa , Femenino , Humanos , Masculino , Persona de Mediana Edad , Apego a Objetos , Inventario de Personalidad/estadística & datos numéricos , Psicometría , Trastornos Psicofisiológicos/diagnóstico , Trastornos Psicofisiológicos/epidemiología , Factores de Riesgo , Ciudad de Roma , Apoyo Social
15.
J Am Acad Dermatol ; 45(1): 77-85, 2001 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-11423839

RESUMEN

BACKGROUND: The validity of clinical and histologic criteria in identifying dysplastic nevi is controversial. Recognition of the dysplastic nevus as a distinct clinicopathologic entity requires demonstration of significant agreement between clinical atypia and histologic dysplasia. OBJECTIVE: We attempted to determine the correlation between clinical atypia and histologic dysplasia in acquired melanocytic nevi and to evaluate the sensitivity and specificity of clinical criteria for dysplastic nevi when compared with histopathologic features. METHODS: A total of 940 acquired melanocytic nevi 3 mm in diameter or larger were selected by initially choosing clinically unequivocal dysplastic and nondysplastic nevi and then, from these, histologically unequivocal dysplastic and nondysplastic lesions. The level of concordance between clinical atypia and histologic dysplasia was estimated by kappa statistics. RESULTS: Nevi were classified as clinically dysplastic (n = 499) or nondysplastic (n = 441). On the basis of histologic features, 739 were classified as dysplastic and 201 as nondysplastic. Agreement between clinical atypia and histologic dysplasia was found in 432 nevi, that is, a sensitivity of 58.4% (3-5 mm = 27.2%, >5 mm = 69.8%). Agreement between clinical and histologic criteria on the absence of dysplasia was found in 134 nevi, a specificity of 66.6% (3-5 mm = 92.4%, >5 mm = 47.9%). The kappa value was 0.17 (3-5 mm = 0.14, >5 mm = 0.10). CONCLUSION: The limited sensitivity and specificity together with the negligible kappa value indicate a poor agreement between clinical and histologic diagnoses of dysplastic nevus. The dysplastic nevus cannot be considered a distinct clinicopathologic entity because histologic dysplasia is found in a range of nevi that may or may not show clinical atypia.


Asunto(s)
Nevo Pigmentado/patología , Adulto , Anciano , Diagnóstico Diferencial , Femenino , Humanos , Masculino , Persona de Mediana Edad , Nevo Pigmentado/clasificación , Nevo Pigmentado/diagnóstico , Variaciones Dependientes del Observador , Examen Físico , Sensibilidad y Especificidad
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