Categoría: Patología Macroscópica
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Mammary Duct Ectasia
Duct ectasia, or periductal mastitis, involves dilated ducts leading to secretion stasis. The cause is unclear, potentially stemming from either duct involution or an inflammatory process. Symptoms include nipple discharge, pain, and abscesses. Morphologically, affected ducts exhibit thick walls filled with creamy secretion and inflammatory cell presence.
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Wilms Tumor (Nephroblastoma)
Named in honor of Max Wilms (who originally proposed the origin of mixed kidney tumors) Originated from nephrogenic blastema 90% of kidney pediatric tumors Frequently present WT1 alterations (11p13) Associated with syndromes (10%): Beckwith-Wiedemann, Denysh-Drash, WAGR Palpable Painless mass is usually the most frequent presentation Well circumscribed, pseudo encapsulated, gray-tan. Can have cystic areas Usually…
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