Calcifying fibrous pseudotumor of the myocardium

Rock on the Heart: A Case of Calcifying Fibrous Tumor Arising From the Pericardium and Literature Review

Calcifying fibrous tumors are rare benign fibrous tumors that rarely occur in the heart. We report a 33-year-old woman who was found to have a benign pericardial tumor on health checkup, which was highly suspected to be a teratoma in clinical and imaging examination. After cardiac tumor resection, histopathological features showed scattered foci of psammoma bodies or calcification among collagenized fibrous connective tissues and foci of inflammatory cell infiltration in the interstitium. The pathological diagnosis was a calcifying fibrous tumor.

Right-Sided Cardiac Calcifying Fibrous Pseudotumor Manifesting With Embolic Stroke

This report describes the case of a 43-year-old woman with a right-sided cardiac calcifying fibrous pseudotumor who presented with embolic stroke. This rare clinicopathologic entity should be included in the differential diagnosis of cardiac masses. Tissue diagnosis should be pursued. Management should be tailored to symptoms and feasibility of resection.

Complete Resection of a Large Mediastinal Calcifying Fibrous Tumor

Calcifying fibrous tumor (CFT) is a benign tumor entity which can present in a variety of different sites. Till date, eight cases with a mediastinal manifestation have been published in literature. Surgical removal is the treatment of choice for this often incidentally detected tumor. Surgery of thoracic CFT may be challenging due to its localization within the mediastinum. A 10-year old boy with a right-sided thoracic pectus carinatum-like deformity was referred for further evaluation, incidentally, revealing a mediastinal mass in computed tomography (CT). Laboratory results were all within normal range. Magnetic resonance imaging (MRI) showed a large tumor in the upper anterior mediastinum suggesting expansive but not infiltrative character. The tumor was displacing surrounding structures like the heart and the diaphragm. Lower venous stasis with dilation of the inferior cava vein could be demonstrated. The tumor was considered to be of benign dignity and surgical removal was indicated. Complete tumor resection could be achieved through a sternotomy approach, along with thymectomy. A partial resection of both the pericardium and diaphragm was required due to adhesion with soft tissue at those sites. The specimen's size was 320 mm × 145 mm × 100 mm, histologically confirmed as CFT. The patient showed no residual tumor at 3- and 9-month follow-up. This case is a report on a large mediastinal CFT which underwent successful complete surgical removal. Following tumor resection, prognosis is considered to be good; however, key issue is complete resection to avoid local tumor recurrence.

Complete resection of a giant calcifying fibrous tumor of myocardial origin

A calcifying fibrous tumor (CFT) is a rare, benign tumor that commonly develops in the internal viscera. It is histologically characterized by hyalinized collagenous tissue with calcifications and lymphoplasmacytic infiltrates. There have been few reports of CFTs occurring in the heart. and the therapeutic approach of such cases has not been well established; however, complete surgical resection appears to be the best treatment option for cardiac CFT, since this lesion can cause cardiac symptoms and recurrence has been recently noted. To our knowledge, this report describes the largest cardiac CFT for which complete surgical resection was successfully performed.

Shedding light on inflammatory pseudotumor in children: spotlight on inflammatory myofibroblastic tumor

Inflammatory pseudotumor is a generic term used to designate a heterogeneous group of inflammatory mass-forming lesions histologically characterized by myofibroblastic proliferation with chronic inflammatory infiltrate. Inflammatory pseudotumor is multifactorial in etiology and generally benign, but it is often mistaken for malignancy given its aggressive appearance. It can occur throughout the body and is seen in all age groups. Inflammatory pseudotumor has been described in the literature by many organ-specific names, resulting in confusion. Recently within this generic category of inflammatory pseudotumor, inflammatory myofibroblastic tumor has emerged as a distinct entity and is now recognized as a fibroblastic/myofibroblastic neoplasm with intermediate biological potential and occurring mostly in children. We present interesting pediatric cases of inflammatory myofibroblastic tumors given this entity's tendency to occur in children. Familiarity and knowledge of the imaging features of inflammatory pseudotumor can help in making an accurate diagnosis, thereby avoiding unnecessary radical surgery.

Small calcifying fibrous pseudotumor of the heart confined to the epicardium

A calcifying fibrous pseudotumor (CFPT) is a rare benign lesion that often presents in the upper and lower extremities of children and young adults. In the present report, we describe a case of a small CFPT arising from the epicardium (visceral pericardium) in a 32-year-old woman. The tumor presented as a 25-mm polypoid mass protruding into the pericardial cavity, without extending into the myocardium. A complete resection was performed, and the patient has not experienced any relapse for more than 2 years. On histological examination, the lesion contained densely hyalinized collagen with psammomatous and dystrophic calcifications, as well as patchy chronic inflammatory infiltrate. The localization in the epicardium with no involvement of the myocardium was confirmed by the elastic stain. Amyloid was negative by the Congo red stain. On immunohistochemical analysis, the lesional cells indicated diffuse positive staining for vimentin and factor XIIIa and focal positive staining for CD34, but did not indicate positive staining for other pertinent antigens such as cytokeratins, calretinin, desmin, α-smooth muscle actin, ALK, and estrogen and progesterone receptors as well as IgG4 in plasma cells. To our knowledge, only three cases of CFPT in the heart have been reported in the literature, all of which developed in young females as a large mass involving the epicardium; the lesion also extended to the parietal pericardium in two cases. Moreover, all cases presented with few symptoms, despite the large lesion. In the present case, the CFPT developed also in a young woman, but the lesion was much smaller than those previously published and was localized in the visceral serous membrane of the heart. The findings of this case suggest a potential preferable site of origin of CFPTs of the heart.

Calcifying fibrous tumour originating from the right cardiac ventricle in a child

Calcifying fibrous tumour is a rare benign fibrous lesion. It is paucicellular, with fibroblasts, dense collagenisation, psammomatous and dystrophic calcification, and patchy lymphoplasmacytic infiltrates. Calcifying fibrous tumour was first described in subcutaneous and deep soft tissues, and has been reported all over the body. However, calcifying fibrous tumour originating from the heart is extremely rare. This article describes the case of a giant calcifying fibrous tumour arising from the right ventricle in a child, where the tumour was totally resected and no recurrence was observed during a 4-year follow-up period.

Three cases of collagenous fibroma with rim enhancement on postcontrast T1-weighted images with fat suppression

Collagenous fibroma, also known as desmoplastic fibroblastoma, is a benign fibrous soft tissue tumor showing gradual growth, commonly without aggressive local infiltration. Today, preoperative radiological diagnosis is important to avoid over-treatment and unnecessary extensive procedures, but is difficult because diagnostic imaging findings for collagenous fibroma have not been established. We report MR imaging findings of three collagenous fibromas in correlation with their histopathology. The characteristic rim enhancement on post-contrast T1-weighted images with fat suppression was present in all three cases, and we consider this to represent the difference in vascularity between the outer capsule-like fibrous tissue and the inside of the tumor.

Calcifying fibrous pseudotumor of the anterior mediastinum

Calcifying fibrous pseudotumors are rare soft-tissue lesions pathologically characterized by hyalinized collagen, psammomatous or dystrophic calcification, and lympho-plasmacyte infiltration. They are clinically benign with an extremely low rate of recurrence and complete surgical resection is known to be the treatment of choice. We performed the resection of a calcifying fibrous pseudotumors in the anterior mediastinum without complications.

Calcifying fibrous tumor of the spine

OBJECTIVE

Calcifying fibrous tumor is a rare, benign soft-tissue tumor of unknown etiology, characterized by hyalinized collagenous fibrous tissue with psammomatous or dystrophic calcification and focal lymphoplasmacytic infiltrate known to involve different organ systems. Involvement of the spine and the presence of metaplastic ossification previously have not been reported.

INTERVENTION

We report a 44-year-old female with progressive nontraumatic flank pain. Imaging revealed a left-sided retroperitoneal calcified mass attached to L5 body with no evidence of extension into the neural foramina, nearby vascular structures, or psoas muscle. The patient had an en bloc resection of the tumor via the transabdominal approach. A pathologic diagnosis of calcifying fibrosis with metaplastic ossification of the spine was reported. Postoperative recovery was uneventful and there is no recurrence after 18 months of follow-up.

CONCLUSION

Calcifying fibrous tumor, a rare benign soft tissue tumor must be considered in the differential diagnosis of a retroperitoneal calcified mass closely associated with the spinal column. Spine surgeons should be aware of this rare pathologic disease entity and although its natural history is not clear, marginal excision is usually adequate.

Calcifying fibrous pseudotumor of the anterior mediastinum

Calcifying fibrous pseudotumors are rare soft-tissue lesions pathologically characterized by hyalinized collagen, psammomatous or dystrophic calcification, and lympho-plasmacyte infiltration. They are clinically benign with an extremely low rate of recurrence and complete surgical resection is known to be the treatment of choice. We performed the resection of a calcifying fibrous pseudotumors in the anterior mediastinum without complications.

Multifocal peritoneal calcifying fibrous tumour: incidental finding at cholecystectomy

Calcifying fibrous tumour (CFT) is a benign tumour of elusive aetiology and a potential for local recurrence. Despite its peculiar histological characteristics it can still be confused with interrelated differential diagnosis like inflammatory myofibroblastic tumour (IMT) or solitary fibrous tumours. The clinical differential diagnosis is however much wider. To date seven cases of multiple peritoneal CFTs are on record. The authors present a case discovered incidentally during laparoscopic cholecystectomy, with no previous history and no radiological diagnosis achieved despite having undergone magnetic resonance cholangiopancreatography (MRCP) and normal routine perioperative investigation. The patient is disease-free 12 months after diagnosis. The case report is followed by a detailed literature review.

Asymptomatic calcifying fibrous pseudotumor compressing heart cavities

Calcifying fibrous pseudotumor is a rare benign lesion composed mostly of dense hyalinized colagen with multiple dystrophic or psammomatous calcifications and variable lymphoplasmacytic infiltrate. Children and young adults are most commonly affected by this tumor of uncertain pathogenesis. This is a case of an asymptomatic young woman with calcifying fibrous pseudotumor of the pericardium compressing heart cavities. Partial resection and marsupialization of the mass was performed.

Calcifying fibrous pseudotumor of the breast

Calcifying fibrous pseudotumor (CFP) is classified as a benign fibrous lesion, and is a rare pathologic entity. Previous reports have described CFPs in the extremities, chest wall, pleura, scrotum, mediastinum, neck, and visceral peritoneum. We present the first reported case of a CFP in the breast. CFP should be considered in the differential diagnosis for patients presenting with coarse indeterminate calcifications of the breast.

Oral calcifying fibrous pseudotumor: case analysis and review

Calcifying fibrous pseudotumor (CFT) is a rare distinct soft-tissue lesion characterized histologically by lymphoplasmacytic aggregates in a rich collagenized background with abundant psammomatous and dystrophic calcifications. Occurring most often in children and young adults, CFTs are clinically benign lesions that can form over a broad anatomic distribution, including in subcutaneous and deep soft tissues, as well as in serosal and visceral locations. The cause and mechanisms of pathogenesis of CFT are unknown. Simple excision with a margin of normal tissue is the treatment of choice. The risk for local recurrence is low. In this article, we describe a case of CFT in a 29-year-old woman with a 7-cm mass on the right upper gingiva and hard palate, discuss the differential diagnosis with other oral spindle cell lesions, such as, desmoid fibromatosis, nodular fasciitis, inflammatory myofibroblastic tumors, solitary fibrous tumor and also review the recent literature on this rare benign entity.