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【Clinical history】: Patient, female, 57 years old, 5 years old under the left ear mass, recently enlarged initial tumor light, sliding, tough
.
【Image Image】CT image
【Image Performance】: Huge soft tissue mass shadow can be seen in the left parotid gland area, and the enhancement scan is obviously unevenly strengthened
.
[Imaging diagnosis]: Parotid mixed tumor is very
likely.
【Pathological diagnosis】: parotid mixed tumor (active growth of focal cells).
Generally seen: the mass 8.
【Diagnostic points】: Parotid mixed tumor is a parotid gland tumor containing parotid gland tissue, mucus and cartilage-like tissue, called "mixed tumor"
.
【Discussion】:If the tumor has one of the following conditions, the possibility of malignant changes should be considered:
(1) The sudden growth of tumors accelerates rapidly,
(2) mobility is reduced or even fixed,
(3) Pain or ipsilateral paralysis
.
Parotid mixed tumors should be distinguished from
schwannomas, lymphangiomas, lymph nodes, lymphomas, other tumors of the salivary gland, etc.
Parotid deep lobe tumors should be distinguished from parapharyngeal space tumors, such as the presence of a parapharyngeal space tumor in the fat belt between the tumor and the parotid gland, and vice versa, a mixed parotid gland deep lobe tumor
.
