Table 2. Reports in the literature on the features of oncocytic pheochromocytoma.

M: male; F: female; L: left; R: right; G: gram; mm: millimeter

Demographic (author/year/country)	Sex/age (years)	Side	Clinical presentation	Weight	Size	Follow up	Remarks	Histopathological specific features
Wang et al./1997/USA [2]	F/38	L	Acute abdominal pain and hirsutism	275 G	34 mm	Nil	Areas of hemorrhage, cytokeratin+	Fibrovascular stroma surrounding Nest of tumor cells, nuclear atypia
Li and Wenig/2000/USA [4]	F/37	L	Increase abdominal girth	1150 G	170 mm	20 months	Pseudoglandular pattern	Psudoglandular pattern, a large nucleus with prominent nucleolus
Shibamori et al./2013/Japan [5]	F/61	R	Incidental finding	260 G	100 mm	13 months	Alveolar configuration	Alveolar configuration, round nucleus
Kasem and Lam/2014/Australia [10]	M/68	L	Incidental finding	36 G	45 mm	5 years	P53+	Myelolipomatous metaplasia, capsular invasion
Nam et al./2014/USA [11]	M/81	L	Incidental finding	NA	NA	NA	CT guided fine needle aspiration	Sheets of cells, nuclear pleomorphism
Kenneth/2018/Wisconsin [12]	M/54	L	Hypertensive episode	675 G	135 mm	3 months	Necrotic with capsular invasion	Nuclear pleomorphism with nuclear pseudo-inclusions
Present Case/2024/India	F/60	L	Abdominal pain	15G	75 mm	5 months	Hemorrhage with the cyst, nesting pattern	pleomorphic nuclei with nucleoli and abundant granular eosinophilic cytoplasm