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Marrow hypoplasia: a rare complication of untreated Grave's disease.

Abstract
Atypical presentation forms of hyperthyroidism are always a challenge to the clinician. We present a female patient with the typical symptoms of thyrotoxicosis, without any thionamides treatment before, associated with pancytopenia, which recovered after euthyroidism state was achieved. Although the major cases of pancytopenia in Grave's disease are seen as a complication of antithyroid drugs (thioamides), in this case report the alteration in blood tests was associated with untreated hyperthyroidism. In the literature review, we found 19 case reports between 1981 to 2012, but it has been related to a hypercellular bone marrow with periferic destruction. Our case, however, is about a hypocellular bone marrow without fibrosis or fat tissue replacement, which proceeded with a periferic improvement following thyroid treatment. Although rare, pancytopenia, when present, may develop as an unusual and severe manifestation in untreated subjects.
AuthorsJuliana Garcia, Larissa de França, Vivian Ellinger, Mônica Wolff
JournalArquivos brasileiros de endocrinologia e metabologia (Arq Bras Endocrinol Metabol) Vol. 58 Issue 9 Pg. 953-7 (Dec 2014) ISSN: 1677-9487 [Electronic] Brazil
PMID25627052 (Publication Type: Case Reports, Journal Article)
Chemical References
  • Antibodies, Monoclonal
  • Lithium Compounds
  • Receptors, Thyrotropin
  • Granulocyte Colony-Stimulating Factor
  • tositumomab I-131
Topics
  • Antibodies, Monoclonal (therapeutic use)
  • Biopsy, Needle
  • Blood Cell Count
  • Bone Marrow (abnormalities, pathology)
  • Bone Marrow Diseases (complications, drug therapy, pathology)
  • Female
  • Granulocyte Colony-Stimulating Factor (therapeutic use)
  • Graves Disease (complications, drug therapy)
  • Humans
  • Lithium Compounds (therapeutic use)
  • Middle Aged
  • Pancytopenia (blood, drug therapy, etiology)
  • Receptors, Thyrotropin (blood)
  • Treatment Outcome

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