Dataset Information

Metastatic squamous cell carcinoma to the heart: an unusual cause of ST elevation-a case report.

ABSTRACT:

Background

Cardiac tumours are typically secondary in nature, and the most common malignancies metastasizing to the heart are cancers of the lung, breast, oesophagus, melanoma, and lymphoma. We present a unique case of squamous cell carcinoma of the tongue, metastasizing to the heart and manifesting with ST elevation in the inferior-leads on electrocardiogram (ECG).

Case summary

A 25-year-old woman was initially diagnosed with squamous cell carcinoma of the tongue at the age of 23 and treated with hemi-glossectomy with clear-margins. Sixteen months later, the tumour recurred in the oropharynx and the left upper lobe of the lung. She was treated with chemotherapy; however, the tumour progressed. Thus, she was initiated on immunotherapy and radiation therapy. One month later, she presented with chest pain. Electrocardiogram revealed ST elevation in the inferior-leads. Troponin-I was elevated. Transthoracic echocardiogram revealed focal areas of thickening within the left and right ventricular myocardium with associated hypokinesis. These findings suggested ECG changes were likely secondary to infiltrative metastases and not acute-coronary-syndrome. Cardiac magnetic resonance imaging showed infiltrative masses with increased T2-signal and heterogeneous enhancement on perfusion and delayed enhancement sequences. Imaging also demonstrated numerous extra-cardiac metastases. She was treated with analgesics and discharged to home hospice.

Discussion

Head and neck cancers are a rare cause of cardiac metastasis. ST elevation and troponin release are thought to be due to tumour extension into the myocardium. Cardiac metastases usually present in patients with advanced widespread malignancy. In a cancer patient with cardiac symptoms or ECG changes, it is important to consider a broad differential diagnosis and entertain the possibility of cardiac metastasis.

SUBMITTER: Tandon V

PROVIDER: S-EPMC6601241 | biostudies-literature | 2019 Jun

REPOSITORIES: biostudies-literature

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Publications

Metastatic squamous cell carcinoma to the heart: an unusual cause of ST elevation-a case report.

Tandon Varun V Kethireddy Nikhila N Balakumaran Kathir K Kim Agnes S AS

European heart journal. Case reports 20190601 2

<h4>Background</h4>Cardiac tumours are typically secondary in nature, and the most common malignancies metastasizing to the heart are cancers of the lung, breast, oesophagus, melanoma, and lymphoma. We present a unique case of squamous cell carcinoma of the tongue, metastasizing to the heart and manifesting with ST elevation in the inferior-leads on electrocardiogram (ECG).<h4>Case summary</h4>A 25-year-old woman was initially diagnosed with squamous cell carcinoma of the tongue at the age of 23 ...[more]

PMID: 31449588

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Project description:Introduction and Importance: Melanomas are capable of metastasizing to both regional and distant sites and are notably known to metastasize to the skin, lungs, brain, liver, bone, and gastrointestinal tract. Metastatic melanoma is infrequently diagnosed in vivo, and usually found only on post-mortem evaluation at autopsy. Case Presentation Here we present the case of a 64-year-old male who originally presented with melena, fatigue, exertional dyspnea and one episode of near-syncope. He was found to have a hemoglobin of 5.4 gm/dL on initial presentation with largely unremarkable abdominal examination. CTAP demonstrated an area of circumferential small bowel wall thickening, concerning for malignancy. The patient underwent an EGD that was noted for mild gastric fundal erosions, which failed to explain his presenting symptoms. VCE was later performed following discharge to visualize the small bowel, which revealed two bleeding lesions within the small bowel. This was complicated by the device becoming lodged on the more proximal mass, and he was admitted again for push-enteroscopy and device retrieval. At the time of this admission, he continued to be symptomatic and was profoundly anemic with a hemoglobin of 4.7 gm/dL. Clinical Discussion EGD with push enteroscopy was performed, revealing two small masses in the mid-distal duodenum and jejunum, which were tattooed and biopsied. He underwent robotic-assisted laparoscopic small bowel resection of the affected portions of the small bowel, without complications. Surgical samples were consistent with melanoma, and further dermatologic examination revealed a suspicious lesion located on the patient's posterior right shoulder was biopsied and also consistent with melanoma, confirming the suspicion for metastatic process from primary cutaneous lesion. Conclusions We present this case as a rare diagnostic opportunity to observe metastatic melanoma of the small bowel, including a review of pertinent symptomatology and epidemiological data from previous literature. Our case serves as a reminder to consider metastatic melanoma as a rather uncommon cause of severe blood loss anemia, while also providing an overview of endoscopic modalities available for visualizing the small bowel in the management of suspected small bowel malignancy. Highlights • Melanoma frequently metastasizes to the small bowel but is rarely detected in vivo.• Metastatic melanoma of the bowel is an uncommon cause of gastrointestinal hemorrhage.• Video capsule endoscopy and small bowel enteroscopy can facilitate diagnosis.• Surgical resection is typically the primary focus of initial management.• Surveillance for skin lesions is crucial for suspected small bowel malignancy.

Dataset Information

Metastatic squamous cell carcinoma to the heart: an unusual cause of ST elevation-a case report.

Background

Case summary

Discussion

Publications

Metastatic squamous cell carcinoma to the heart: an unusual cause of ST elevation-a case report.

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