Characterization of a calcified intra-cardiac pseudocyst of the mitral valve by magnetic resonance imaging including T1 and T2 mapping

Table 1 Reported CMR signal intensity characteristics of histologically confirmed intra-cardiac cystic lesions

Reference	Finding	SSFP	TSE-T1⁺	TSE-T2⁺	First pass	Late enhancement
Reichelt et al. [18]	Blood cyst of the papillary muscle	Hyper⁺	-	Hyper	No uptake	No uptake
Reichelt et al. [18]	Blood cyst of the papillary muscle	Hypo^#	-	Hyper	No uptake	No uptake
Park et al. [15]	Blood cyst of the papillary muscle	Hyper⁺	iso	Hyper	-	No uptake
Park et al. [15]	Blood cyst of the papillary muscle	Hypo^#	iso	Hyper	-	No uptake
Roubelakis et al. [14]	Blood cyst of the tricuspid valve	Hyper⁺	-	-	No uptake	Enhanced border, non-enhanced core
Roubelakis et al. [14]	Blood cyst of the tricuspid valve	Hypo^#	-	-	No uptake	Enhanced border, non-enhanced core
Centella et al. [19]	Blood cyst in the right atrium	iso⁺	iso	iso	No uptake	No uptake
Centella et al. [19]	Blood cyst in the right atrium	Hypo^#	iso	iso	No uptake	No uptake
Tran et al. [20]	Cystic lesion of the atrio-ventricular node	Hyper⁺	-	-	-	Global enhancement
Tran et al. [20]	Cystic lesion of the atrio-ventricular node	Hypo^#	-	-	-	Global enhancement
Saito et al. [21]	Cystic lesion of the atrio-ventricular node	-	hyper	Hyper	-	-
Shayingca et al. [22]	Cystic lesion of the papillary muscle	Hyper⁺	-	Hyper	-	-
Shayingca et al. [22]	Cystic lesion of the papillary muscle	iso^#	-	Hyper	-	-

SSFP = steady-state free-precession; TSE = turbo spin-echo.
⁺signal compared to normal myocardium; ^#signal compared to blood, -not reported.

ISSN: 1471-2261