Alejandro Velez-Hoyos

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The primary bilateral macronodular adrenal hyperplasia or the independent adrenocorticotropic hormone bilateral nodular adrenal hyperplasia is a rare cause hypercortisolism, its diagnosis is challenging and there is no clear way to decide the best therapeutic approach. Adrenal venous sampling is commonly used to distinguish the source of hormonal production(More)
  • Del Universidad, Colombia Valle, Carlos Builes-Montaño, Carlos Esteban ; Villa-Franco, Andrés, Alejandro Román-Gonzalez +13 others
  • 2015
The primary bilateral macronodular adrenal hyperplasia or the independent adrenocorticotropic hormone bilateral nodular adrenal hyperplasia is a rare cause hypercortisolism, its diagnosis is challenging and there is no clear way to decide the best therapeutic approach. Adrenal venous sampling is commonly used to distinguish the source of hormonal production(More)
This paper introduces a new system for the automated classification of prostatic carcinomas from biopsy images. The important components of the proposed system are (1) the new features for tissue description based on hyper-complex wavelet analysis, quaternion color ratios, and modified local binary patterns; and (2) a new framework for multi-stage learning(More)
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