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1.
Int. j. odontostomatol. (Print) ; 13(2): 230-234, jun. 2019. graf
Article in English | LILACS | ID: biblio-1002310

ABSTRACT

ABSTRACT: Oral melanoma (OM) is an extremely rare and aggressive malignancy. A 67-year-old patient presented with complains of a slightly symptomatic spot in the mouth since the past 2 years. Extraoral examination revealed left cervical lymphadenopathy, and intraoral examination a blue-black multinodular sessile mass, with irregular margins, involving the attached gingiva of teeth 27 and 28, extending to vestibular sulcus and hard palate, measuring approximately 3.5 cm. The lesion presented focal areas of ulceration. Panoramic radiograph did not show bone involvement. The main diagnostic hypothesis was oral melanoma. Microscopic findings of the incisional biopsy revealed a proliferation of densely pigmented pleomorphic cells, invading the subepithelial connective tissue in sheets or nests showing an organoid pattern. Immunopositivity for S-100, Melan-A and HMB-45 confirmed the diagnosis of melanoma. The patient was referred to an oncology hospital in which multiple metastases were detected, and the patient was subjected to palliative care. Herein we report an OM in advanced clinical stage, and discuss the clinical, morphological and immunohistochemical diagnostic criteria with emphasis on the importance of early diagnosis.


RESUMEN: El melanoma oral (MO) es una malignidad extremadamente rara y agresiva. Un paciente de 67 años acudió a consulta con la queja de una mancha intraoral ligeramente sintomática, presente desde hace dos años. Al examen clínico extraoral, se encontró adenopatía cervical del lado izquierdo, y al examen intraoral, se observó una masa sésil multinodular de color negro azulado, focalmente ulcerada, con bordes irregulares, afectando la encía de los dientes 27 y 28, extendiéndose hasta el surco vestibular y el paladar duro, midiendo aproximadamente 3,5 cm. La radiografía panorámica no mostró involucramiento óseo. La principal hipótesis diagnóstica fue MO. Los hallazgos microscópicos de la biopsia incisional revelaron una proliferación de células pleomórficas densamente pigmentadas, invadiendo difusamente el tejido conectivo en forma de sábanas o nidos con patrón organoide. La positividad inmunohistoquímica para S-100, Melan-A y HMB-45 confirmó el diagnóstico de melanoma. El paciente fue referido a un hospital oncológico, en el cual se le detectaron múltiples metástasis y fue sometido a cuidados paliativos. Este es el reporte de un caso de MO diagnosticado en estado avanzado, en el que se discuten los criterios clínicos, morfológicos e inmunohistoquímicos para su diagnóstico, haciendo énfasis en la importancia del diagnóstico temprano.


Subject(s)
Humans , Aged , Gingival Neoplasms/diagnosis , Melanoma/diagnosis , Prognosis , Gingival Neoplasms/etiology , Gingival Neoplasms/diagnostic imaging , Delayed Diagnosis , Melanoma/diagnostic imaging , Microscopy
2.
Rev. Hosp. Ital. B. Aires (2004) ; 37(4): 146-148, dic. 2017. ilus
Article in Spanish | LILACS | ID: biblio-1095758

ABSTRACT

El linfoma difuso de células B grandes (LDCBG) es el linfoma más frecuente. La presentación clínica puede ser nodal o extranodal y sus síntomas dependen de la localización tumoral; en la mayoría de los casos están asociados a algún tipo de inmunodeficiencia. Referiremos un caso de LDCBG de presentación atípica en una localización muy infrecuente. Es importante tener en cuenta estas situaciones, ya que pueden simular otros procesos patológicos, retrasando así su correcto diagnóstico y por lo tanto un adecuado tratamiento. (AU)


Diffuse large cell lymphoma B (LDCBG) is the most common type of lymphoma. It´s clinical presentation can be nodal or extranodal and it's symptoms depend where the tumor is located and whether is associated or not with an immunodeficiency disease. We present an atypical presentation of a LDCBG in a very unusual location. It´s important to consider these kind of appearance, as they can mimic other oral pathological processes, delaying their correct diagnosis and therefore an appropriate treatment. (AU)


Subject(s)
Humans , Male , Aged , Lymphoma, Non-Hodgkin/diagnosis , Gingival Neoplasms/diagnostic imaging , Lymphoma, Large B-Cell, Diffuse/diagnosis , Lymphoma, Non-Hodgkin/classification , Lymphoma, Non-Hodgkin/etiology , Mouth Neoplasms/diagnosis , Lymphoma, Large B-Cell, Diffuse/therapy , Lymphoma, Large B-Cell, Diffuse/diagnostic imaging , HIV Seronegativity/immunology , Herpesvirus 4, Human/immunology , Oral Ulcer/pathology , Mouth Mucosa/pathology
3.
Article in English | IMSEAR | ID: sea-157340

ABSTRACT

Gingival granular cell tumour or congenital epulis is a rare benign soft tissue tumour that occurs mostly over lateral alveolar ridge of maxilla. The lesion behaves in a benign manner with spontaneous regression and without any recurrence or metastasis. We hereby report a case of congenital epulis in a 5 weeks old, baby girl who presented with single sessile mass over right side of maxillary alveolar ridge since birth; and want to emphasize that although rare this entity should always be considered in differential diagnosis of neonatal lesions of the oral cavity.


Subject(s)
Diagnosis, Differential , Female , Gingival Neoplasms/congenital , Gingival Neoplasms/diagnosis , Gingival Neoplasms/surgery , Gingival Neoplasms/diagnostic imaging , Granular Cell Tumor/congenital , Granular Cell Tumor/diagnosis , Granular Cell Tumor/surgery , Granular Cell Tumor/diagnostic imaging , Humans , Infant, Newborn
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