RESUMO
This study investigates the rule that repeating cytological preparations on liquid-based cytology improves sample adequacy, diagnosis, microbiological, and hormonal evaluations. We reviewed 156 cases of pap-stained preparations of exfoliated cervical cells in two slides processed by DNA-Cytoliq System. After sample repeat/dilution, limiting factors affecting sample adequacy were removed in nine cases and three unsatisfactory cases were reclassified as satisfactory. Diagnosis was altered in 24 cases. Of these, the original diagnosis in 15 was atypical squamous cells of undetermined significance; after the second slide examination, diagnosis in 5 of the 15 cases changed to low-grade squamous intraepithelial lesion, 3 to high-grade squamous intraepithelial lesion, and 7 to absence of lesion. Microbiological evaluation was altered, with Candida sp. detected in two repeated slides. Repeat slide preparation or dilution of residual samples enhances cytological diagnosis and decreases effects of limiting factors in manually processed DIGENE DCS LBC.
Assuntos
Colo do Útero/patologia , Técnicas Citológicas/métodos , Esfregaço Vaginal/métodos , Adolescente , Adulto , Idoso , Candidíase/diagnóstico , Candidíase/patologia , Carcinoma de Células Escamosas , Erros de Diagnóstico/prevenção & controle , Feminino , Humanos , Pessoa de Meia-Idade , Estudos Retrospectivos , Neoplasias do Colo do Útero/diagnóstico , Neoplasias do Colo do Útero/patologiaRESUMO
Eleven juvenile green turtles (Chelonia mydas) from Atlantic Ocean, Brazil, with multiple cutaneous papillomatosis were examined. Histologically, the papillomas exhibit stromal hyperplasia proliferation and epithelial proliferation. The epithelial cells had nuclear changes suggestive of viral infection and severe nuclear pleomorphism. A large nuclear halo was present in the cases of epithelial proliferation; in these cells, nuclear features were frequently dyscariotic, without inclusion. All fibropapillomas examined were negative for papillomavirus group-specific antigens (BPV) and herpesvirus group-specific antigens (HSV1 / HSV2) by the peroxidase-antiperoxidase technique. Electronic microscopy investigation was negative for papillomaviruses and herpes-viruses particles.
Onze tartarugas verdes juvenis (Chelonia mydas) originárias do Oceano Atlântico, Brasil, com múltiplas lesões cutâneas papilomatosas foram examinadas. Histologicamente, os papilomas exibiam proliferação estromal hiperplásica e proliferação epidermal. As células epiteliais apresentavam alterações nucleares sugestivas de infecção viral e pleomorfismo nuclear severo. Um halo grande nuclear estava presente nos casos de proliferação epitelial; nessas células, características nucleares foram freqüentemente discarióticos, sem inclusão. Todos os fibropapilomas examinados foram negativos para antígenos grupo-específico para papilomavírus (BPV) e antígenos grupo-específico para herpesvírus (HSV1/HSV2) pela técnica peroxidase-antiperoxidase. Investigação por microscopia eletrônica foi negativa para partículas virais de papilomavírus e herpesvírus.
RESUMO
Eleven juvenile green turtles (Chelonia mydas) from Atlantic Ocean, Brazil, with multiple cutaneous papillomatosis were examined. Histologically, the papillomas exhibit stromal hyperplasia proliferation and epithelial proliferation. The epithelial cells had nuclear changes suggestive of viral infection and severe nuclear pleomorphism. A large nuclear halo was present in the cases of epithelial proliferation; in these cells, nuclear features were frequently dyscariotic, without inclusion. All fibropapillomas examined were negative for papillomavirus group-specific antigens (BPV) and herpesvirus group-specific antigens (HSV1 / HSV2) by the peroxidase-antiperoxidase technique. Electronic microscopy investigation was negative for papillomaviruses and herpes-viruses particles