Thymoma

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Thymoma
Thymoma: A bottle-shaped tumor is encapsulated and shows a bulging, rather homogeneous, faintly lobulated ivory-colored cut surface.
Image courtesy of Professor Peter Anderson DVM PhD and published with permission © PEIR, University of Alabama at Birmingham, Department of Pathology
ICD-10 C37.9, D60
ICD-9 164.0, 212.6
ICD-O: 8580
DiseasesDB 13067
MedlinePlus 001086
MeSH D013945

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Michael Maddaleni, B.S.


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Overview

Historical Perspective

Pathophysiology

Epidemiology & Demographics

Risk Factors

Screening

Causes

Differentiating Thymoma

Complications & Prognosis

Diagnosis

History and Symptoms | Physical Examination | Staging | Laboratory tests | Electrocardiogram | X Rays | CT | MRI Echocardiography or Ultrasound | Other images | Alternative diagnostics

Treatment

Medical therapy | Surgical options | Primary prevention | Secondary prevention | Financial costs | Future therapies


Pathophysiology

Thymoma originates from the epithelial cell population in the thymus. Many subtypes are recognized, some of which have a better- or worse-than-general prognosis.[1]

Treatment

Surgery is the mainstay of treatment. If the tumor was benign and was removed completely, no further therapy is necessary. Removal of the thymus in adults does not appear to induce a severe immune deficiency. In children, however, added care and scrupulous vaccination are necessary to protect from infections. Malignant tumors may need additional treatment with radiotherapy, or sometimes with chemotherapy (cyclophosphamide, doxorubicin and cisplatin).[1]

Prognosis

Thymomas associated with autoimmune disorders usually are benign. Malignant thymomas can metastasize, generally to pleura, kidney, bone, liver or brain.[1]

Epidemiology

Men and women are equally affected. The typical age at diagnosis is 30-40, although cases have been described in every age group.[1]

See also

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