[Myxoid variant of adrenocortical carcinoma]. 2021

Gaspard Jeremie, and Jean Christophe Lifante, and Françoise Borson Chazot, and Chistophe Sajous, and Perrine Raymond, and Myriam Decaussin-Petrucci
Service d'anatomie et cytologie pathologiques, hôpital Lyon Sud, hospices civils de Lyon, Pierre-Bénite, France.

We report two cases of patients presenting myxoid variant of adrenocortical carcinoma (ACC). This very rare variant is characterized by a tumoral proliferation organized in trabeculae, cords or even pseudo-glands within an acellular myxoid materiel stained by Alcian Blue and negative for PAS. Tumor cells have a small to medium size and have little atypia. Their immunohistochemical profil (positivity of Synaptophysin, SF1, Melan A, Vimentin and Inhibin, with a weak or negative pancytokeratin expression) eliminate the main differential diagnoses (metastasis of a myxoid adenocarcinoma and soft tissue myxoid tumor). Many scoring systems have been proposed in order to evaluate the risk of malignancy of these lesions: the Weiss score seems less efficient to evaluate malignancy in this variant than the reticulinic algorithm or the Helsinki score. Prognosis of myxoid variant of ACC seems worse than classical ACC.

UI MeSH Term Description Entries
D011379 Prognosis A prediction of the probable outcome of a disease based on a individual's condition and the usual course of the disease as seen in similar situations. Prognostic Factor,Prognostic Factors,Factor, Prognostic,Factors, Prognostic,Prognoses
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000306 Adrenal Cortex Neoplasms Tumors or cancers of the ADRENAL CORTEX. Adrenocortical Cancer,Cancer of Adrenal Cortex,Adrenal Cortex Cancer,Cancer of the Adrenal Cortex,Neoplasms, Adrenal Cortex,Adrenal Cortex Cancers,Adrenal Cortex Neoplasm,Adrenocortical Cancers,Cancer, Adrenal Cortex,Cancer, Adrenocortical,Cancers, Adrenal Cortex,Cancers, Adrenocortical,Neoplasm, Adrenal Cortex
D014408 Biomarkers, Tumor Molecular products metabolized and secreted by neoplastic tissue and characterized biochemically in cells or BODY FLUIDS. They are indicators of tumor stage and grade as well as useful for monitoring responses to treatment and predicting recurrence. Many chemical groups are represented including HORMONES; ANTIGENS; amino and NUCLEIC ACIDS; ENZYMES; POLYAMINES; and specific CELL MEMBRANE PROTEINS and LIPIDS. Biochemical Tumor Marker,Cancer Biomarker,Carcinogen Markers,Markers, Tumor,Metabolite Markers, Neoplasm,Tumor Biomarker,Tumor Marker,Tumor Markers, Biochemical,Tumor Markers, Biological,Biochemical Tumor Markers,Biological Tumor Marker,Biological Tumor Markers,Biomarkers, Cancer,Marker, Biochemical Tumor,Marker, Biologic Tumor,Marker, Biological Tumor,Marker, Neoplasm Metabolite,Marker, Tumor Metabolite,Markers, Biochemical Tumor,Markers, Biological Tumor,Markers, Neoplasm Metabolite,Markers, Tumor Metabolite,Metabolite Markers, Tumor,Neoplasm Metabolite Markers,Tumor Markers, Biologic,Tumor Metabolite Marker,Biologic Tumor Marker,Biologic Tumor Markers,Biomarker, Cancer,Biomarker, Tumor,Cancer Biomarkers,Marker, Tumor,Markers, Biologic Tumor,Markers, Carcinogen,Metabolite Marker, Neoplasm,Metabolite Marker, Tumor,Neoplasm Metabolite Marker,Tumor Biomarkers,Tumor Marker, Biochemical,Tumor Marker, Biologic,Tumor Marker, Biological,Tumor Markers,Tumor Metabolite Markers
D014746 Vimentin An intermediate filament protein found in most differentiating cells, in cells grown in tissue culture, and in certain fully differentiated cells. Its insolubility suggests that it serves a structural function in the cytoplasm. MW 52,000.
D058965 MART-1 Antigen A melanosome-specific protein that plays a role in the expression, stability, trafficking, and processing of GP100 MELANOMA ANTIGEN, which is critical to the formation of Stage II MELANOSOMES. The protein is used as an antigen marker for MELANOMA cells. MART1 Antigens,Melanoma Antigen Recognized by T-Cells 1,MART1 Antigen,Melan-A,MelanA,Antigen, MART-1,Antigen, MART1,Antigens, MART1,MART 1 Antigen,Melan A,Melanoma Antigen Recognized by T Cells 1
D018268 Adrenocortical Carcinoma A malignant neoplasm of the ADRENAL CORTEX. Adrenocortical carcinomas are unencapsulated anaplastic (ANAPLASIA) masses sometimes exceeding 20 cm or 200 g. They are more likely to be functional than nonfunctional, and produce ADRENAL CORTEX HORMONES that may result in hypercortisolism (CUSHING SYNDROME); HYPERALDOSTERONISM; and/or VIRILISM. Carcinoma, Adrenal Cortical,Carcinoma, Adrenocortical,Adrenal Cortical Carcinoma,Adrenal Cortical Carcinomas,Adrenocortical Carcinomas,Carcinomas, Adrenal Cortical,Carcinomas, Adrenocortical

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