An Unusual Variant of a Common Palatal Salivary Gland Tumor: Case Report of a Pleomorphic Adenoma with Significant Lipomatous Metaplasia

Table 1

Currently reported cases of LPA and PA with significant adipose component.

Study	Patient demographics	Location of tumor	Microscopic diagnosis	Special features
Leroy et al. [8]	47 yo male	Parotid gland	Lipomatous PA	Adipose component of app 40%
Ide and Kusama [6]	35 yo female	Buccal mucosa	Myxolipomatous PA	10-year history, >95% adipose component
Haskell et al. [9]	33 yo female	Parotid gland	PA with extensive lipomatous metaplasia	Consisted of 60–70% lipocytic cells
Haskell et al. [9]	30 yo male	Upper lip	PA with extensive lipomatous metaplasia	Lipocytes comprised about 25% of tumor
Haskell et al. [9]	45 yo female	Hard palate	Myoepithelioma with extensive lipomatous metaplasia	Adipose component of 40% of the tumor, also showed osseous and cartilaginous areas
Kondo [5]	14 yo Japanese girl	Parotid gland	Lipomatous PA	Adipose component >95%, not picked up on CT due to fat content
Farah-Klibi et al. [7]	58 yo male	Hard palate	Lipomatous PA	Adipose component of app 30%
Musayev et al. [4]	32 yo female	Hard palate	Lipomatous PA	Fine-needle aspiration biopsy, excision showed >90% adipose tissue
Shah and Moustafa (2018)	24 yo Asian male	Hard palate	PA with significant adipose tissue component	Adipose component of app 50%