Rare case of hepatocellular carcinoma metastasis to urinary bladder: A case report

Table 1 Comparisons of bladder metastasis from hepatocellular carcinoma based on previous case reports

Case report	Location	Sex	Age (yr)		HCC Etiology	Previous treatment	Other metastasis site	Comorbidity	Liver biopsy	Bladder biopsy	Treatment	Prognosis
Current case	Rep. of Korea	F		60	HBV	TACE #2	None	None	O	O	TUR-BT, systemic CTx	Under follow up
Kurimoto et al[13], 1993	Japan	M		74	Unknown	None	Chest wall	History of stomach bleeding	X	O	TUR-BT	Died 6 months later
Franks et al[14], 1999	USA	M		51	HCV, Alcoholic LC	LT, Adjuvant CTx	Lung	None	X	O	TUR-BT, systemic CTx	Unknown
Al-Brahim et al[15], 2004	Canada	M		83	Unknown	None	Left adrenal gland?	Synchronous transitional cell carcinoma	X	O	Unknown	Unknown
Chung et al[12], 2007	Taiwan	F		58	C-viral LC	None	Unknown	Cervical cancer, Hemorrhagic cystitis after RTx	X	O	TUR-BT	Died 5 months later
Yasutomi et al[16], 2020	Japan	M		89	Alcoholic LC	TACE	None	None	X	O	TUR-BT	Unknown

HCC: Hepatocellular carcinoma; HBV: Hepatitis B virus; TACE: Transcatheter arterial chemoembolization; TUR-BT: Transurethral resection of bladder tumor; CTx: Chemotherapy; HCV: Hepatitis C virus; LC: Liver cirrhosis; LT: Liver transplantation; RTx: Radiotherapy.