نتایج جستجو برای: granular cell
تعداد نتایج: 1702674 فیلتر نتایج به سال:
Granular cell tumor is a relatively uncommon benign hamartomatous lesion occurring in almost any part of the body. The tongue and the buccal mucosa are common intra oral sites. Granular cell lesions may be found in other diverse sites such as the jaw, skin, gastro intestinal tract and respiratory tract. The histogenesis of the lesion still remains unknown. However, histochemical and ultra struc...
The etiology and histogenesis of granular cell tumor are still debated. Granular cell tumor of the newborn is considered to be a different entity than the adult form of this lesion with different immunohistochemical features. We present a case of a rare gingival granular cell tumor in a newborn and review the literature. Gingival granular cell tumor must be clinically differentiated from terato...
INTRODUCTION: Granular Cell tumor(GCT) is an uncommon soft tissue tumor with an incidence of 0.017 – 0.029 % in general surgical specimen 1. They usually occur as solitary tumors, but are multiple in about 10% of the cases 2. Though the most common site of involvement is the tongue 3, it is also found in other sites. Granular cell tumor was originally described in 1926 as granular cell myoblato...
Granular cell tumor, a soft tissue neoplasm that originates in the nervous system, is a very unusual tumor. Granular cell tumor appears as a solitary painless lesion, which can arise at virtually any body site, but is mainly found on the skin, oral cavity, respiratory tract or digestive tract. However, an intramuscular granular cell tumor is very rare. We report on a case of a granular cell tum...
Malignant granular cell tumors are extremely rare, aggressive neoplasms displaying rapid growth and frequent associated metastatic disease. Excision and evaluation for metastatic disease are mandatory. We present a 54-year-old patient with a malignant granular cell tumor, treated with Mohs micrographic surgery. Cutaneous granular cell tumors are uncommon neoplasms, likely of perineural origin. ...
BACKGROUND Granular cell tumors are rare neoplasms which can occur in any part of the body. Granular cell tumors of the orbit account for only 3 % of all granular cell tumor cases. Computed tomography and magnetic resonance imaging of the orbit have proven useful for diagnosing orbital tumors. However, the rarity of intraorbital granular cell tumors poses a significant diagnostic challenge for ...
Granular cell tumors are an uncommon soft tissue neoplasm. Malignant granular cell tumors comprise <2% of all granular cell tumors, are associated with aggressive behavior and poor clinical outcome, and are poorly understood in terms of tumor etiology and systematic treatment. Because of its rarity, the genetic basis of malignant granular cell tumor remains unknown. We performed whole-genome se...
Granular cell tumour is a rare soft tissue neoplasm that can virtually affect any site of the body. Its histological origin is controversial, since several studies have shown that different cells are involved. Granular cell tumour was initially described as myoblastoma, but, at present, a neural origin is supported by most Authors, due to the immunohistochemical pattern. Even if the biological ...
Primitive non-neural granular-cell tumor (PNGCT) is a rare tumor of uncertain lineage. It was first described by Le Boit et al. [1] as “primitive polypoid granular cell tumor” after analysis of four cases. Since then various other names have been proposed. Lazar et al. called it “primitive non-neural granular cell tumor” [2] and Chaudhry et al. coined the term “dermal non-neural granular cell t...
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