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1.
Yonsei Medical Journal ; : 1731-1734, 2015.
Article Dans Anglais | WPRIM | ID: wpr-70396

Résumé

Granular cell tumors (GCTs) are soft tissue tumors, which are thought to be derived from Schwann cells. Although most GCTs are reported to arise in tongue and oral cavity (30-50%), they can appear on any anatomic sites, even visceral organs. Herein, we report 5 cases of GCTs on unusual anatomic locations, such as palm, arm, thigh, finger, and vulvar area. Complete surgical excision is preferred treatment of choice to prevent recurrence. These cases emphasize that GCTs not involving oral cavity are more prevalent than expected, and the diagnosis should be histopathologically confirmed.


Sujets)
Adulte , Sujet âgé , Enfant , Femelle , Humains , Adulte d'âge moyen , Biopsie , Tumeur à cellules granuleuses/métabolisme , Main , Immunohistochimie , Chirurgie de Mohs , Récidive tumorale locale/prévention et contrôle , Protéines S100/analyse , Résultat thérapeutique
2.
Yonsei Medical Journal ; : 727-730, 2007.
Article Dans Anglais | WPRIM | ID: wpr-139607

Résumé

Granular cell tumors (GCT) are found in virtually any body site, including the tongue, skin, subcutaneous tissue, breast, rectum and vulva. However, they are rarely seen in the abdominal wall. We report here on a rare case of GCT in the rectus muscle of the abdominal wall. A 44-year-old woman presented with a non-tender, hard mass in the right lower abdominal wall. Upon microscopic examination, the tumor was found to comprise of large polygonal cells with an abundant eosinophilic granular cytoplasm and round to oval nuclei. Upon immunohistochemical staining, the large cells showed S-100 and CD68 positive granular aggregates in the cytoplasm. Many lysosomes of variable size were observed in the cytoplasm.


Sujets)
Adulte , Femelle , Humains , Tumeurs de l'abdomen/métabolisme , Tumeur à cellules granuleuses/métabolisme , Immunohistochimie , Muscle droit de l'abdomen/métabolisme , Protéines S100/métabolisme
3.
Yonsei Medical Journal ; : 727-730, 2007.
Article Dans Anglais | WPRIM | ID: wpr-139606

Résumé

Granular cell tumors (GCT) are found in virtually any body site, including the tongue, skin, subcutaneous tissue, breast, rectum and vulva. However, they are rarely seen in the abdominal wall. We report here on a rare case of GCT in the rectus muscle of the abdominal wall. A 44-year-old woman presented with a non-tender, hard mass in the right lower abdominal wall. Upon microscopic examination, the tumor was found to comprise of large polygonal cells with an abundant eosinophilic granular cytoplasm and round to oval nuclei. Upon immunohistochemical staining, the large cells showed S-100 and CD68 positive granular aggregates in the cytoplasm. Many lysosomes of variable size were observed in the cytoplasm.


Sujets)
Adulte , Femelle , Humains , Tumeurs de l'abdomen/métabolisme , Tumeur à cellules granuleuses/métabolisme , Immunohistochimie , Muscle droit de l'abdomen/métabolisme , Protéines S100/métabolisme
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