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In silico analyses reveal nuclear asymmetry of spongiocytes and compact cells of adrenocorticotrophic hormone-independent macronodular adrenocortical hyperplasia.

AbstractBACKGROUND:
Little information is available about the risk of progression of seemingly benign adrenocortical hyperplasias to carcinomatous conditions. Using in silico approaches of digitally archived tissue sections, the nuclear morphometric parameters were compared to assess nuclear asymmetry as an index for nuclear atypia.
METHODS:
Four groups of nuclei were used for the current study: spongiocytes and compact cells obtained from adrenocorticotropic hormone (ACTH)-independent macronodular hyperplasia, which were hypothesized to be high risk for nuclear asymmetry, and primary pigmented nodular adrenocortical disease and micronodular adrenocortical hyperplasia samples were used as internal controls.
RESULTS:
Analyses reveal high nuclear irregularity index of spongiocytes and shape factor abnormalities of both spongiocytes and compact cells of ACTH-independent macronodular adrenal hyperplasia compared with the other 2 groups (high F values and very low P values after analyses of variances), thus confirming the hypothesis that ACTH-independent macronodular adrenal hyperplasia present with subtle morphometric features of nuclear atypia.
CONCLUSIONS:
This probably puts this class of adrenocortical tumors at risk of dysplastic progression, and more studies are needed to test the hypothesis.
AuthorsQian Zhang, Jingtao Dou, Weijun Gu, Guoqing Yang, Yiming Mu, Juming Lu
JournalThe American journal of the medical sciences (Am J Med Sci) Vol. 347 Issue 5 Pg. 400-5 (May 2014) ISSN: 1538-2990 [Electronic] United States
PMID24029797 (Publication Type: Journal Article)
Topics
  • Cell Nucleus (pathology)
  • Computer Simulation
  • Cushing Syndrome (diagnosis, pathology)
  • Humans

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