Mediastinal mature teratoma: imaging features.

Moeller, Kathleen; Rosado-de-Christenson, Melissa L.; Templeton, Philip A.

doi:10.2214/ajr.169.4.9308448

Cited by 197 publications

(135 citation statements)

References 14 publications

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“…(3) Also, some tumours may be unmistakably solid on CT. (1,(3)(4)(5) Accordingly, a retrospective review of the CT images of our patient, following the exploratory thoracotomy, uncovered some images that showed a hint of fat attenuation within the left hemithorax (Fig. 3a).…”

Section: Discussionmentioning

confidence: 99%

“…(1) Mediastinal teratomas are often mistaken for large pleural effusions on routine chest radiography, and computed tomography (CT) is considered the imaging modality of choice for the evaluation of these masses. (3) We report a patient with a large, mature mediastinal teratoma that mimicked a massive pleural effusion on both chest radiography and CT imaging.…”

Section: Introductionmentioning

confidence: 96%

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Massive mediastinal teratoma mimicking pleural effusion on computed tomography

Chow¹,

Lim²

2014

smedj

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C a s e R e p o r t e67 I NTRO D U C TIO NAlthough infrequently encountered, mediastinal teratomas make up nearly 8%-13% of all mediastinal tumours, with peak incidence seen in young patients. (1) Up to 75% of primary germ cell tumours of the mediastinum are mature teratomas. (2) These tumours can be very large at presentation due to slow growth, and patients may remain asymptomatic or experience minimal symptoms. (1) Mediastinal teratomas are often mistaken for large pleural effusions on routine chest radiography, and computed tomography (CT) is considered the imaging modality of choice for the evaluation of these masses. (3) We report a patient with a large, mature mediastinal teratoma that mimicked a massive pleural effusion on both chest radiography and CT imaging. CA S E R E PO RTA 32-year-old Chinese woman with no past medical history presented with increasing shortness of breath over a period of four months. This was associated with productive cough. On examination, she was afebrile and was able to communicate in full sentences. Borderline tachycardia of 100 bpm was observed and her blood pressure was 140/103 mmHg (systemic pulse pressure at 37 mmHg). There was tracheal deviation to the right, associated with dullness on percussion, as well as decreased breath sounds over the left chest. Routine chest radiography was performed, showing complete homogeneous opacification of the entire left hemithorax, with contralateral shift of the mediastinum (Fig. 1). Overall findings were compatible with a massive left pleural effusion. Laboratory inflammatory markers were within normal limits.Pleural aspiration was performed without image guidance, The patient remained symptomatic with persistent radiographic changes despite treatment for presumed infective pleural effusion. Laboratory inflammatory markers remained withinMassive mediastinal teratoma mimicking a pleural effusion on computed tomography ABSTRACT Mediastinal teratomas have been reported to mimic pleural effusions on chest radiography. Further evaluation of such tumours using computed tomography usually yields diagnostic characteristics that distinguish them from pleural collections. We report a patient with a mediastinal teratoma that mimicked a massive left pleural effusion on chest radiography and computed tomography.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 96%

Massive mediastinal teratoma mimicking pleural effusion on computed tomography

Chow¹,

Lim²

2014

smedj

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“…In adults, the discovery of a mediastinal teratoma is often accidental, when performing a routine chest radiograph. It is a large mass, well-circumscribed and lobulated, with calcifications in 20% of cases [4]. A CT scan is the choice investigation, it specifies the location of the mass, and highlights a combination of fluid density, fat and calcifications in 40% of cases, highly suggestive of mediastinal teratoma [4].…”

Section: Discussionmentioning

confidence: 99%

“…It is a large mass, well-circumscribed and lobulated, with calcifications in 20% of cases [4]. A CT scan is the choice investigation, it specifies the location of the mass, and highlights a combination of fluid density, fat and calcifications in 40% of cases, highly suggestive of mediastinal teratoma [4]. It also examines the relations of the mass with adjacent organs, indicating the presence or absence of tumor border and regularity of tumor interface with the lung and adjacent mediastina structures, and the possibility of surgery.…”

Section: Discussionmentioning

confidence: 99%

Posterior Mediastinal Mature Teratoma: A Case Report and Literature Review

Rabiou¹,

Ghalimi²,

Lakranbi³

et al. 2014

CRCM

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Mediastinal mature teratoma is the most common form of germ cell tumors, often located in the anterior mediastinum. A posterior mediastinum location has rarely been described. We report a case of a posterior mediastinal mature teratoma in a 37-year-old patient and a literature review, through which we describe the diagnostic and therapeutic difficulties inherent in this particular location of these tumors.

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“…Patients present with respiratory distress, chest pain, hemoptysis, cough (1) . Teratomas typically range from 2.8 to 3 cm in diameter, and are cystic and multiloculated but may rarely be predominantly solid (2) . Microscopically, mesodermal, ectodermal and endodermal elements are seen in varying proportions.…”

Section: Disscussionmentioning

confidence: 99%

A Baffling “Trilogy” --- Mediastinal Teratoma, Pulmonary Hamartoma and Hilar Granulomatous Lymphadenitis in a Single Patient: Unaccountable in Medical History

Gupta¹

2017

JMSCR

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Mediastinal teratomas are the most common extra-gonadal germ cell tumours. They arise from ectopic pluripotent stem cells that fail to migrate from yolk endoderm to the gonad. They occur equally in men and women and usually are diagnosed in the second to fourth decade of life. Pulmonary hamartoma usually occurs as a benign, well-circumscribed single nodule in the lung parenchyma. Being more common in the sixth decade. Granulomatous lymphadenitis more commonly occurring in cervical lymphnode is also commonly seen in hilar lymph node. Here, we present a 17 year old male with all the three presentations, which itself is a rare occurrence.

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Mediastinal mature teratoma: imaging features.

Cited by 197 publications

References 14 publications

Massive mediastinal teratoma mimicking pleural effusion on computed tomography

Massive mediastinal teratoma mimicking pleural effusion on computed tomography

Posterior Mediastinal Mature Teratoma: A Case Report and Literature Review

A Baffling “Trilogy” --- Mediastinal Teratoma, Pulmonary Hamartoma and Hilar Granulomatous Lymphadenitis in a Single Patient: Unaccountable in Medical History

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