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BACKGROUND: The heart is an unusual site of metastasis from any malignancy. The pericardium is the most frequently involved site of cardiac metastasis. Myocardial metastasis is rare and metastasis only to heart without evidence of spread anywhere else is extremely rare. Here we present a case of rectal cancer with metastasis only to heart.
CASE REPORT: A 64-year-old man was found to have a large ulcerated mass in the upper rectum, 15cm above the anal verge during colonoscopy. Biopsy of the mass revealed poorly differentiated invasive adenocarcinoma. After 5 weeks of neo adjuvant capecitabine with concurrent radiation, he underwent robotic low anterior resection (LAR) with coloanal anastomosis with loop ileostomy. Pathology revealed 5cm poorly differentiated adenocarcinoma of rectum invading through muscularis propria with 7/17 lymph nodes and margins involved with adenocarcinoma. He was staged as ypT3pN2bM0 (Stage IIIC, AJCC 8th edition, 2017). Adjuvant therapy was delayed until 12 weeks from surgery due to wound dehiscence/infection. After 5 cycles of adjuvant capecitabine and oxaliplatin, a follow up contrast CT chest/abdomen/pelvis revealed 2.3cm mass extending from pericardium to myocardium. Transesophageal echocardiogram(TEE) and cardiac MRI revealed 2 separate masses(1cm and 2cm) in the right ventricle (RV) free wall projecting into RV cavity concerning for free wall metastases. After 3 weeks, he presented to ED with shortness of breath. Transthoracic echocardiogram(TTE) showed large pericardial effusion with cardiac tamponade. 1250ml of pericardial fluid was removed by pericardiocentesis and cytology revealed metastatic colorectal adenocarcinoma. CT chest/abdomen/pelvis with IV contrast did not show any other site of metastasis. He was started on systemic chemotherapy with Fluorouracil and Irinotecan (FOLFIRI). He has tolerated FOLFIRI for a year without recurrence of pericardial effusion.
CONCLUSION: Most cardiac metastases are associated with widely metastatic disease, but this case is unique in having only cardiac metastasis from a previously resected rectal adenocarcinoma. Although often clinically silent, cardiac metastases should be considered in any patient with cancer and new cardiac symptoms. TTE is the initial imaging test but TEE, Cardiac CT and Cardiac MRI may help further characterize and delineate the extent of cardiac disease. A multidisciplinary team to evaluate and manage the patient with cardiac metastasis is recommended.
BACKGROUND: The heart is an unusual site of metastasis from any malignancy. The pericardium is the most frequently involved site of cardiac metastasis. Myocardial metastasis is rare and metastasis only to heart without evidence of spread anywhere else is extremely rare. Here we present a case of rectal cancer with metastasis only to heart.
CASE REPORT: A 64-year-old man was found to have a large ulcerated mass in the upper rectum, 15cm above the anal verge during colonoscopy. Biopsy of the mass revealed poorly differentiated invasive adenocarcinoma. After 5 weeks of neo adjuvant capecitabine with concurrent radiation, he underwent robotic low anterior resection (LAR) with coloanal anastomosis with loop ileostomy. Pathology revealed 5cm poorly differentiated adenocarcinoma of rectum invading through muscularis propria with 7/17 lymph nodes and margins involved with adenocarcinoma. He was staged as ypT3pN2bM0 (Stage IIIC, AJCC 8th edition, 2017). Adjuvant therapy was delayed until 12 weeks from surgery due to wound dehiscence/infection. After 5 cycles of adjuvant capecitabine and oxaliplatin, a follow up contrast CT chest/abdomen/pelvis revealed 2.3cm mass extending from pericardium to myocardium. Transesophageal echocardiogram(TEE) and cardiac MRI revealed 2 separate masses(1cm and 2cm) in the right ventricle (RV) free wall projecting into RV cavity concerning for free wall metastases. After 3 weeks, he presented to ED with shortness of breath. Transthoracic echocardiogram(TTE) showed large pericardial effusion with cardiac tamponade. 1250ml of pericardial fluid was removed by pericardiocentesis and cytology revealed metastatic colorectal adenocarcinoma. CT chest/abdomen/pelvis with IV contrast did not show any other site of metastasis. He was started on systemic chemotherapy with Fluorouracil and Irinotecan (FOLFIRI). He has tolerated FOLFIRI for a year without recurrence of pericardial effusion.
CONCLUSION: Most cardiac metastases are associated with widely metastatic disease, but this case is unique in having only cardiac metastasis from a previously resected rectal adenocarcinoma. Although often clinically silent, cardiac metastases should be considered in any patient with cancer and new cardiac symptoms. TTE is the initial imaging test but TEE, Cardiac CT and Cardiac MRI may help further characterize and delineate the extent of cardiac disease. A multidisciplinary team to evaluate and manage the patient with cardiac metastasis is recommended.
BACKGROUND: The heart is an unusual site of metastasis from any malignancy. The pericardium is the most frequently involved site of cardiac metastasis. Myocardial metastasis is rare and metastasis only to heart without evidence of spread anywhere else is extremely rare. Here we present a case of rectal cancer with metastasis only to heart.
CASE REPORT: A 64-year-old man was found to have a large ulcerated mass in the upper rectum, 15cm above the anal verge during colonoscopy. Biopsy of the mass revealed poorly differentiated invasive adenocarcinoma. After 5 weeks of neo adjuvant capecitabine with concurrent radiation, he underwent robotic low anterior resection (LAR) with coloanal anastomosis with loop ileostomy. Pathology revealed 5cm poorly differentiated adenocarcinoma of rectum invading through muscularis propria with 7/17 lymph nodes and margins involved with adenocarcinoma. He was staged as ypT3pN2bM0 (Stage IIIC, AJCC 8th edition, 2017). Adjuvant therapy was delayed until 12 weeks from surgery due to wound dehiscence/infection. After 5 cycles of adjuvant capecitabine and oxaliplatin, a follow up contrast CT chest/abdomen/pelvis revealed 2.3cm mass extending from pericardium to myocardium. Transesophageal echocardiogram(TEE) and cardiac MRI revealed 2 separate masses(1cm and 2cm) in the right ventricle (RV) free wall projecting into RV cavity concerning for free wall metastases. After 3 weeks, he presented to ED with shortness of breath. Transthoracic echocardiogram(TTE) showed large pericardial effusion with cardiac tamponade. 1250ml of pericardial fluid was removed by pericardiocentesis and cytology revealed metastatic colorectal adenocarcinoma. CT chest/abdomen/pelvis with IV contrast did not show any other site of metastasis. He was started on systemic chemotherapy with Fluorouracil and Irinotecan (FOLFIRI). He has tolerated FOLFIRI for a year without recurrence of pericardial effusion.
CONCLUSION: Most cardiac metastases are associated with widely metastatic disease, but this case is unique in having only cardiac metastasis from a previously resected rectal adenocarcinoma. Although often clinically silent, cardiac metastases should be considered in any patient with cancer and new cardiac symptoms. TTE is the initial imaging test but TEE, Cardiac CT and Cardiac MRI may help further characterize and delineate the extent of cardiac disease. A multidisciplinary team to evaluate and manage the patient with cardiac metastasis is recommended.