Macroscopy

Articles

• necrosis
  9 November 2004

  tissular death

• endometrial polyp
  17 November 2004

  Clinical synopsis
  asymptomatic or associated with bleeding
  associated with tamoxifen therapy for breast cancer
  Macroscopy synopsis
  sessile or pedunculated mass
  cystically dilated glands
  multicystic cut surface
  Microscopy synopsis
  endometrial glands unresponsive to progesterone stimulation
  may have severe atypia
  fibrous stroma with spindled
  fibroblast-like cells
  abundant extracellular connective tissue
  polypoid shape
  attenuated surface endometrium on 3 sides (...)

• Wilson disease
  30 May 2003

  Wilson’s disease

• colorectal adenoma
  12 May 2004

  colorectal adenomas
  Definition: Adenomas, the benign glandular neoplasms that precede colon cancer development, originate from the intestinal epithelium. They occur singly or multiply. When multiple, the patients may have a genetic predisposition syndrome for colorectal cancer.
  See also : colorectal adenoma with adenocarcinoma
  Endoscopy
  Small (< 5 mm) colorectal polyps commonly affect individuals older than 50 years of age and adenomas account for 60% to 66% ofthese small lesions. (...)

• rhabdomyosarcomas
  25 November 2003

  Definition: Rhabdomyosarcoma (RMS) is the most common soft-tissue sarcoma of childhood. Rhabdomyosarcoma is a soft tissue tumor of striated muscle origin. It is observed mainly in children and adolescents.
  Images
  Alveolar rhabdomyosarcoma. PCR: pos PAX3-FOXO1 (worse prognosis c/w PAX7). Scattered MNGC rhabdomyoblasts.
  https://twitter.com/histiocytosisX/status/699599913013923840
  ARMS : focal desmin w/ diffuse myogenin in A-RMS (PCR + PAX3-FOXO1) (...)

• seminoma
  28 April 2005

  seminoma of the testis, testicular seminoma
  Digital cases
  PX:30176 : Classical seminoma of the testis.
  JRC:12774 : Classical seminoma of the testis.
  JRC:12762 : seminoma of the testis.
  Images
  Macroscopy
  https://twitter.com/smlungpathguy/status/722894005399212032
  https://twitter.com/PathAssist/status/729687337827901441
  https://twitter.com/smlungpathguy/status/724786229619740672
  Wikimedia: Seminoma into hilar fat
  Wikimedia: seminoma with syncytiotrophoblasts
  Wikimedia : (...)

• gonadoblastoma
  11 March 2004

  Scully RE, 1953.

• renal von Hippel-Lindau disease
  4 March 2005

  References
  Solomon D, Schwartz A. Renal pathology in von Hippel-Lindau disease. Hum Pathol. 1988 Sep;19(9):1072-9. PMID: #3417291#

• non-ossifying fibroma
  8 September 2004

  Fibrous cortical defect, cortical defect, nonossifying fibroma; non-ossifying fibroma; benign fibrous histiocytoma if mass-forming and involving the medullary cavity. NOF
  Definition: Non-ossifying fibroma is a benign, lytic lesion of fibrous origin most often observed in the metaphyseal region of the long bones in children and adolescents.
  Images
  Non-ossifying fibroma / NOF
  https://twitter.com/Maryross86/status/860657829203648512 (...)

• malignant peripheral nerve sheath tumor
  15 December 2003

  MPNST, malignant schwannoma
  Definition: Malignant tumor arising from peripheral nervous tissue or showing nerve sheath differenciation.
  Digital cases
  JRC:8437 : Malignant peripheral nerve sheath tumor.
  JRC:8443 : Malignant peripheral nerve sheath tumor (sciatic nerve).
  JRC:8447 : Malignant peripheral nerve sheath tumor.
  JRC:8450 : Malignant peripheral nerve sheath tumor.
  JRC:8824 : Malignant peripheral nerve sheath tumor (oral cavity).
  JRC:7954 : Malignant peripheral nerve (...)

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