Tumor

Articles

• hepatoblastoma
  16 March 2004

  hepatoblastomas
  Definition: Hepatoblastoma is a malignant embryonal liver tumor that occurs almost exclusively in infants and very young children.
  Image
  Macroscopy : https://twitter.com/DraEosina/status/762631086207893506
  Cytology: https://twitter.com/AdamGomezMD/status/720632495671087104
  https://twitter.com/MArnold_PedPath/status/736000944303808512
  Hepatoblastoma is composed of epithelial and mesenchymal elements in varying proportions and at various stages of differentiation. The (...)

• hydatiform mole
  28 April 2004

  molar gestation; hydatiform moles
  Images
  partial hydatiform mole by Ed Euthman
  complete hydatiform mole
  https://twitter.com/luishcruzc/status/738155933801418752
  https://twitter.com/KUSAURAP/status/778827207976230916
  Definition: Hydatiform mole is a gestational trophoblastic disorder.
  Accurate diagnosis and classification of hydatidiform mole (HM) are important because the risk of persistent gestational trophoblastic disease, including choriocarcinoma, is significantly higher (...)

• mammary fibroadenoma
  18 January 2005

  breast fibroadenoma, Benign cystosarcoma phyllodes, Cellular fibroadenoma, Cellular adenofibroma, Fetal fibroadenoma, Juvenile adenofibroma; mammary fibroadenoma PO Webpathology BP
  Definition : The mammary fibroadenoma is a benign mammary biphasic tumor with epithelial and stromal components.
  It is a benign breast lesion that result from hyperplasia of the normal lobules.
  It is a circumscribed, often large, breast mass usually occuring in adolescent females with stromal and (...)

• papillary thyroid carcinoma
  15 March 2004

  TPC; PTC; thyroid papillary carcinoma
  Types
  classic PTC / classic papillary thyroid carcinoma
  FV-PTC / follicular variant of papillary thyroid carcinoma
  IFV-PTC / infiltrative FV-PTC
  EFV-PTV / encapsulated FV-PTC
  IEFV-PTC / invasive encapsulated FV-PTC
  NIEFV-PTC / non-invasive encapsulated FV-PTC
  Images
  typical papillary thyroid carcinoma
  https://twitter.com/nisspath/status/695415489837674496
  FNA of papillary thyroid carcinoma (...)

• tendon sheath fibroma
  13 June 2003

  fibroma of tendon sheath
  Digital slides
  JRC:6487 : Fibroma of tendon sheath.
  Definition: Fibroma of the tendon sheath is a rare tumor described as a benign lesion or a tumor-like reactive lesion arising from the synovium of tendon sheath.
  Fibroma of the tendon sheath occurs in both adults and children, with 20% of cases occurring in children and adolescents. These lesions most commonly affect the fingers, hand, and wrist, with thumb involvement in as many as 41% of patients.
  Deeply (...)

• 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 (...)

• osteoblastoma
  11 February 2004

  Digital cases
  HPC:79 : Osteoblastoma
  HPC:147 : Osteoblastoma
  Definition: An osteoblastoma is a rare solitary, benign, osteoid- and bone-forming neoplasm that contains many well-differentiated osteoblasts and osteoclasts, and usually has a vascular stroma.
  Clinical synopsis
  Osteoblastomas predominantly affect young adults and are often painful.
  Swelling and tenderness are usually the symptoms that prompt the patient to seek medical attention.
  "Toxic" cases - A few patients with (...)

• malignant peripheral nerve sheath tumor
  15 December 2003

  MPNST, malignant schwannoma PO
  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 (...)

• collagenoma
  13 June 2006

  Definition: Collagenomas (connective tissue nevi of collagen type) are rare hamartomas of the skin in which there is an increase in dermal collagen.
  Macroscopy
  Collagenomas usually present as asymptomatic, firm, flesh-colored plaques and nodules, 0.5–5.0 cm in diameter, on the trunk and upper part of the arms. The ear, sole of the foot, and vulva are rare sites of involvement.
  There may be several lesions or up to a hundred or more, with an onset in adolescence.
  Eruptive collagenomas (...)

• multiple myeloma
  30 September 2003

  plasma cell myeloma
  Definition: Multiple myeloma (MM) is a malignancy of clonal bone marrow plasma cells characterized by a high genomic instability increasing with disease progression.
  MM is characterized by neoplastic proliferation of plasma cells involving more than 10% of the bone marrow.
  Multiple myeloma is a plasma cell malignancy characterized by complex heterogeneous cytogenetic abnormalities.
  Digital slides
  UI:755 - Multiple myeloma
  UPD:9668 : Atypical myeloma cells in bone (...)

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