Immunophenotypes of Glycogen Rich Clear Cell Carcinoma
Yonsei Medical Journal
; : 1142-1146, 2012.
Article
em En
| WPRIM
| ID: wpr-183501
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WPRO
ABSTRACT
PURPOSE:
Glycogen rich clear cell carcinoma (GRCC) of the breast is a rare subtype of invasive ductal carcinoma and involves a poor prognosis. In the literature, less than 150 cases have been reported. Many researchers have attempted to characterize GRCC according to electron microscope, flow cytometry, or clinical data. However, an organized study of the immunophenotype of GRCC has yet to be reported. MATERIALS ANDMETHODS:
Here, we present three cases of GRCC and their immunohistochemical profiles.RESULTS:
Histologically, all three cases contained periodic acid stain (PAS) positive and d-PAS labile granules in their clear cytoplasm. Case I showed positivity for only estrogen receptor (ER) and c-erbB2. Case II exhibited positivity for progesterone receptor and negativity for ER and c-erbB2. Case III presented with triple negative invasive carcinoma. The expression pattern of E-cadherin was concordant with epidermal growth factor receptor and c-kit, but discordant with ki-67. Among these three cases, p53-positive cases exhibited a low proliferative index (ki-67 15%), while p53-negative cases showed a high proliferative index (ki-67 50-60%).CONCLUSION:
In conclusion, the immunophenotype of GRCC is not uniform, but is similar to that of conventional ductal carcinoma.Palavras-chave
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Assunto principal:
Neoplasias da Mama
/
Imuno-Histoquímica
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Receptores de Progesterona
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Receptores de Estrogênio
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Imunofenotipagem
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Adenocarcinoma de Células Claras
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Receptor ErbB-2
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Proteínas Proto-Oncogênicas c-kit
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Antígeno Ki-67
/
Receptores ErbB
Tipo de estudo:
Prognostic_studies
Limite:
Female
/
Humans
Idioma:
En
Revista:
Yonsei Medical Journal
Ano de publicação:
2012
Tipo de documento:
Article