Digital Pathology Cases

Articles

• Brenner tumor
  14 January 2010

  WKP
  Definition: Brenner tumours are uncommon tumours that are part of the surface epithelial-stromal tumour group of ovarian neoplasms. The majority of these tumours are benign. However, they can be malignant.
  Brenner tumor contains nests of urothelial type cells with distinct outlines, nuclei with longitudinal grooves (“coffee bean”) and a dense fibroblastic stroma. Brenner tumor can be benign, borderline or malignant depending on the cytologic morphology and behavior.
  Types
  benign (...)

• chronic bursitis
  23 June 2011

  Chronic fibrinous bursitis
  Definition: chronic inflammation of synovial bursa.
  Digital slides
  UI:860 - Chronic fibrinous bursitis
  See also
  bursitis olecranon bursitis

• Hirschsprung disease
  6 October 2003

  Hirschsprung’s disease, congenital intestinal aganglionosis, digestive aganglionnosis; digestive aganglionoses PO1 PO2
  Definition: Aganglionic megacolon is associated with congenital absence of intrinsic ganglion cells in the myenteric (Auerbach) and submucosal (Meissner) plexuses of the gastrointestinal tract. The disorder is genetically heterogeneous.
  Digital cases
  HPC:90 : rectal mucosa biopsies
  HPC:98 : rectal mucosa biopsies
  HPC:151 : Hirschsprung disease - Rectal (...)

• synovitis
  18 November 2009

  |WKP|
  See also : tenosynovitis
  Definition: Synovitis is the medical term for inflammation of the synovial membrane or synovium. Synovitis is observed in arthritis .
  The synovial membrane lines joints that possess cavities, known as synovial joints.
  The condition is usually painful, particularly when the joint is moved. The joint usually swells due to synovial fluid collection.
  Synovitis may occur in association with arthritis as well as lupus, gout, and other conditions.
  Synovitis is (...)

• thyroid follicular adenoma
  14 December 2005

  Definition: A benign, encapsulated tumour of the thyroid showing evidence of follicular differentiation.
  Images
  Wikimedia : Follicular adenoma
  Digital cases (Digital slides)
  HPC:395 : Thyroid follicular adenoma with papillary epithelial hyperplasia.
  JRC:2612 : Thyroid atypical follicular adenoma, thyroid Spindle cell and follicular neoplasm.
  JRC:14584 : Thyroid follicular adenoma, clear cell type.
  JRC:15430 : Thyroid follicular adenoma (with pseudoclear).
  Follicular adenoma is (...)

• giant cell tumor of tendon sheath
  27 October 2004

  giant cell tumor of tendon sheath; nodular tenosynovitis; TGCT; GCTTS; tenosynovial giant cell tumor; pigmented villonodular synovitis and bursitis; localised nodular tenosynovitis
  Definition: Tenosynovial giant cell tumor (TGCT) or Giant cell tumor of tendon sheath (GCTTS) is the most common benign tumor of synovium and tendon sheath. Immunophenotypical evidence suggests it is of synovial cell origin.
  GCTTS is a relatively rare soft tissue tumour of uncertain histiogenesis.
  Complete (...)

• intramuscular vascular malformation
  27 February 2012

  Digital cases - Digital slides
  HPC:419 : Intramuscular capillary and venular vascular malformation
  See also
  vascular malformations

• tophus
  23 June 2011

  gouty tophus; tophi; dermal urate deposits
  Digital slides
  UI:859 - Interphalangeal joint of toe - Gout tophus.
  Images
  Tophi in Sesamoid Bone of Foot in gout by Ed Euthman.
  Deposits of destroyed uric acid crystals seen as amorphus eosinophilic material in gout https://twitter.com/Valdebran/status/748320406440800257 https://twitter.com/mjcascio/status/748403579912753152 https://twitter.com/PathAssistant/status/695347222095880192 (...)

• focal myositis
  5 May 2009

  Digital cases
  UI:638 - Myositis ossificans
  Definition: Focal myositis is an uncommon inflammatory pseudotumor of skeletal muscle that can be confused with a variety of neoplastic and inflammatory diseases.
  It is often misunderstood because it presents as a tumor-like mass, but histologically resembles a skeletal muscle myopathy or dystrophy.
  Focal myositis occurs in specific muscle groups of young adults of both sexes without significant trauma.
  It is a largely unrecognized entity (...)

• tuberculoid granulomatous adenitis
  16 March 2004

  Digital cases
  Case 154 (HPC:154) : Mycobacterial adenitis
  Etiology
  bacterial adenitis mycobacterial adenitis tuberculous adenitis atypical mycobacterial adenitis

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