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Case Reports
. 2023 Jan;53(1):52-54.
doi: 10.4070/kcj.2022.0266.

Comprehensive Analysis of the Explanted Systemic Sclerosis Heart: Correlation of Pathologic and Imaging Findings

Ji Hoon Lim  1 , Soo Yong Lee  2 , Joo-Young Na  3 , Ga Yun Kim  1 , Ji Soo Oh  1 , Seok Hyun Kim  1
Affiliations
Case Reports

Comprehensive Analysis of the Explanted Systemic Sclerosis Heart: Correlation of Pathologic and Imaging Findings

Ji Hoon Lim et al. Korean Circ J. 2023 Jan.
No abstract available

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Conflict of interest statement

The authors have no financial conflicts of interest.

Figures

Figure 1
Figure 1. CMRI and coronary angiography of the systemic sclerosis heart. (A-D) Late gadolinium-enhancement CMRI of the explanted heart. An extensive subendocardial enhancement of the left ventricle and multifocal enhancement in the right ventricle was noted (white arrows). (E, F) Coronary angiography of the heart. (E) Left coronary angiography and (F) right coronary angiography revealed no significant epicardial coronary artery stenosis.
CMRI = cardiac magnetic resonance imaging.
Figure 2
Figure 2. Pathologic findings. (A) Gross appearance of the explanted heart. Cross-sections of the entire heart specimen showed ventricular dilation and prominent endocardial fibrosis in both ventricles (arrow, whitish tissues). (B, C) Low magnification of the inferior wall of the left ventricle showed wall thinning, endocardial thickening with fibrosis, and patchy myocardial fibrosis. (B) Hematoxylin and eosin stain; (C) Masson’s trichrome stain.
Endo = endocardium; Epi = epicardium; Myo = myocardium.
Figure 3
Figure 3. Microvascular alterations in pathologic specimens of the explanted systemic sclerosis heart. (A-D) Microscopic examination reveals fibromuscular dysplastic changes in the small vessels of the subendocardial myocardium. These micro-vasculatures show luminal narrowing due to fibrosis and smooth muscle hyperplasia in the tunica intima and media. Fragmentation or duplication of the internal elastic lamina is also noted. (A) Hematoxylin and eosin stain, ×100; (B) Masson’s trichrome stain, ×100; (C) Verhoeff’s elastic stain, ×100; (D) Immunohistochemical stain for smooth muscle actin, ×100. (E, F) An atrioventricular nodal artery shows luminal narrowing and vascular wall fibrosis. (E) Hematoxylin and eosin stain, ×50; (F) Masson’s trichrome stain, ×50. (E, F) White arrows indicate a nodal artery and (E) blue ink indicates the right side of the interventricular septum (arrowhead).
See this image and copyright information in PMC

References

    1. Kawano H, Kudo T, Umeda M, Futakuchi M, Sueyoshi E, Maemura K. Myocardial damage and microvasculopathy in a patient with systemic sclerosis. Circ J. 2021;85:224. - PubMed

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