a patient referred to your faculty for oral examination. describe her situation and disease

Undifferentiated pleomorphic sarcoma (
UPS
), formerly known as malignant fibrous histiocytoma (MFH), arises mainly in soft tissues (1).
This
tumor
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tumour
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has been established as an entity in the World Health Organization (WHO) classification of soft tissue sarcoma (STS) since 2002 (2). In general, the occurrence of head and neck sarcoma is rare. The nasal cavity and paranasal sinuses are the most common locations of
UPS
in
head
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the head
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and neck region, and only 0.1 of them appear in the oral cavity, which is very uncommon (3).
Although
its
etiology
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aetiology
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is still unknown, genetic predisposition, environmental factors
such
as trauma, history of radiotherapy and the development of malignant
tumors
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tumours
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from benign lesions have been proposed as its
etiology
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aetiology
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(4). Symptoms usually depend on the involved anatomical site, but the neoplasm usually presents as a rapid growth with or without pain. Due to the high invasive potential of
this
tumor
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tumour
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, the frequency of metastases is very high at the time of initial
tumor
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tumour
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diagnosis (5).
Also
, head and neck UPSs with bone invasion have more invasion and poor prognosis than
tumors
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tumours
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confined to soft tissue (6). Unlike carcinoma, there are several subtypes of sarcomas that do not have a specific tissue or cell origin.
UPS
is one of the
tumors
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tumours
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which its
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whose
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diagnosis is based on the rejection of other
tumors
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tumours
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and immunohistochemical staining plays an essential role in its diagnosis (7). Due to the rarity of
this
tumor
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tumour
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in
oral
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the oral
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cavity and many oral
UPS
have
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that have
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not been reported in the English literature, we present a rare case of oral
UPS
in an old patient with rapid growth and poor prognosis.
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    • Sentence 1 - Topic sentence
    • Sentence 2 - Example
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    • Sentence 1 - Topic sentence
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