Table 1. Demographics and preoperational data of N=4 patients.

Case	Age (years)	Gender	Co-morbidities	CT mass size (mm)	MG and treatment	CT findings of invasion	SUV	Ab (nmol/L)†
1	68	Male	Asthma, IDDM, HT	105×40×36	Yes, steroids, pyridostigmine, ICU stay	Pericardium	3.4	>20
2	81	Male	NIDDM, HT	102×63×76	No, none	None	3.2	negative
3	82	Male	COPD, CAD	80×56×101	No, none	None	3.5	negative
4	74	Female	Diarrhea	130×101×57	No, none	Pericardium, multilobulated	3.7	negative

^†, negative if <0.5 nmol/L as per our institute’s laboratory. CT, computed tomography; MG, myasthenia gravis; SUV, standardized uptake value; Ab, acetyl-cholinesterase receptor antibodies; IDDM, insulin dependent diabetes mellitus; HT, hypertension; ICU, intensive care unit; NIDDM, non-insulin dependent diabetes mellitus; COPD, chronic obstructive pulmonary disease; CAD, coronary artery disease.