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 (...)

• actinic keratosis
  6 July 2004

  solar keratosis, senile keratosis, pre-epitheliomatous keratosis WKP
  Digital cases
  UI:906 - Actinic keratosis.
  UI:917 - Actinic keratosis.
  UI:1826- Actinic keratosis.
  JRC:10567 : Actinic keratosis.
  JRC:10569 : Actinic keratosis.
  Definition: Actinic keratosis is a premalignant condition of thick, scaly, or crusty patches of skin
  It is more common in fair-skinned people and it is associated with those who are frequently exposed to the sun, as it is usually accompanied by (...)

• colorectal adenoma
  12 May 2004

  colorectal adenomas ; TA/TVA
  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 (...)

• hydatiform mole
  28 April 2004

  molar gestation; hydatiform moles WKP
  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 (...)

• tendon sheath fibroma
  13 June 2003

  fibroma of tendon sheath PO StanMed
  Images
  https://twitter.com/drqari/status/848145290108559361
  https://twitter.com/ARP_Press/status/1119707546737152000
  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. (...)

• teratoma
  10 March 2004

  teratomas
  Definition: Teratomas are neoplasms comprised of mixed elements derived from the three germ cell layers.
  Images
  Gastric teratoma in a 1yo male
  https://twitter.com/DraEosina/status/817663085376901121
  A teratoma is generally defined as a tumor arising from pluripotent cells, and it is precisely the heterogeneity of tissues present in such a tumor that best characterizes it; it is also commonly accepted that a teratoma must contain derivatives of more than one blastodermic (...)

• ovarian thecoma
  14 July 2004

  ovarian thecoma, theca cell tumors

• myopericytoma
  7 February 2006

  myopericytomas; benign myopericytoma
  Definition: Myopericytoma is a benign tumor composed of cells that show apparent differentiation towards putative perivascular myoid cells called myopericytes. Myopericytoma arises most commonly in the dermis or subcutaneous tissue of the extremities in adults.
  Images
  Myopericytoma : circumscribed multilayered growth of short spindle cells around ectatic vessels. SMA (+). https://twitter.com/RyanHickMD/status/795695282843426820
  Myopericytoma (MPC) (...)

• 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 (...)

• Wilms tumor
  14 November 2003

  nephroblastoma

0 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | ... | 620