U.S. flag

An official website of the United States government

Format

Send to:

Choose Destination

Microscopic Thymoma

MedGen UID:
313437
•Concept ID:
C1709028
•
Neoplastic Process
Synonym: Nodular Hyperplasia of the Thymic Epithelium

Definition

A rare type of thymoma, composed of multifocal epithelial proliferations less than 1 mm in diameter. This type of thymoma usually occurs in myasthenia gravis patients without any macroscopic (gross) evidence of tumor. [from NCI]

Term Hierarchy

CClinical test,  RResearch test,  OOMIM,  GGeneReviews,  VClinVar  
  • CROGVMicroscopic Thymoma

Professional guidelines

PubMed

Multidisciplinary treatment of malignant thymoma.
Spaggiari L, Casiraghi M, Guarize J
Curr Opin Oncol 2012 Mar;24(2):117-22. doi: 10.1097/CCO.0b013e32834ea6bb. PMID: 22143371
Treatment of malignant thymoma.
Giaccone G
Curr Opin Oncol 2005 Mar;17(2):140-6. doi: 10.1097/01.cco.0000152628.43867.8e. PMID: 15725919
Reliability of criteria for ultrastructural identification of neuroendocrine granules.
Dardick I, Rippstein P, Perkins G
Ultrastruct Pathol 1993 Jan-Feb;17(1):37-47. doi: 10.3109/01913129309015400. PMID: 8381246

Recent clinical studies

Etiology

Microscopic thymoma: a report of four cases with review of literature.
Vaideeswar P
Indian J Pathol Microbiol 2011 Jul-Sep;54(3):539-41. doi: 10.4103/0377-4929.85088. PMID: 21934216

Diagnosis

Microscopic thymoma.
Chalabreysse L, Orsini A, Vial C, Tronc F
Interact Cardiovasc Thorac Surg 2007 Feb;6(1):133-5. Epub 2006 Nov 13 doi: 10.1510/icvts.2006.137414. PMID: 17669792
Microscopic-sized "microthymoma" in patients with myasthenia gravis.
Mori T, Nomori H, Ikeda K, Kobayashi H, Iwatani K, Yoshioka M, Iyama KI
Chest 2007 Mar;131(3):847-849. doi: 10.1378/chest.06-2014. PMID: 17356102

Prognosis

Thymoma and thymic carcinoma associated with multilocular thymic cyst: a clinicopathologic analysis of 18 cases.
Shen X, Jin Y, Shen L, Sun Y, Chen H, Li Y
Diagn Pathol 2018 Jun 26;13(1):41. doi: 10.1186/s13000-018-0719-7. PMID: 29945642Free PMC Article
Microscopic thymoma: a report of four cases with review of literature.
Vaideeswar P
Indian J Pathol Microbiol 2011 Jul-Sep;54(3):539-41. doi: 10.4103/0377-4929.85088. PMID: 21934216
Microscopic thymoma.
Chalabreysse L, Orsini A, Vial C, Tronc F
Interact Cardiovasc Thorac Surg 2007 Feb;6(1):133-5. Epub 2006 Nov 13 doi: 10.1510/icvts.2006.137414. PMID: 17669792

Clinical prediction guides

Thymoma and thymic carcinoma associated with multilocular thymic cyst: a clinicopathologic analysis of 18 cases.
Shen X, Jin Y, Shen L, Sun Y, Chen H, Li Y
Diagn Pathol 2018 Jun 26;13(1):41. doi: 10.1186/s13000-018-0719-7. PMID: 29945642Free PMC Article
Microscopic thymoma.
Chalabreysse L, Orsini A, Vial C, Tronc F
Interact Cardiovasc Thorac Surg 2007 Feb;6(1):133-5. Epub 2006 Nov 13 doi: 10.1510/icvts.2006.137414. PMID: 17669792
Microscopic thymoma: histological evidence of multifocal cortical and medullary origin.
Pescarmona E, Rosati S, Pisacane A, Rendina EA, Venuta F, Baroni CD
Histopathology 1992 Mar;20(3):263-6. doi: 10.1111/j.1365-2559.1992.tb00966.x. PMID: 1563713

Supplemental Content

Table of contents

    Practice guidelines

    • PubMed
      See practice and clinical guidelines in PubMed. The search results may include broader topics and may not capture all published guidelines. See the FAQ for details.
    • Bookshelf
      See practice and clinical guidelines in NCBI Bookshelf. The search results may include broader topics and may not capture all published guidelines. See the FAQ for details.

    Recent activity

    Clear Turn Off Turn On

    Your browsing activity is empty.

    Activity recording is turned off.

    Turn recording back on

    See more...