Humpath.com - Human pathology

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• fetal vascular malperfusion

  23 January

  FVM
  It is recommended that the term fetal vascular malperfusion (FVM) be used instead of fetal thrombotic vasculopathy. For severe forms of FVM, the term high-grade FVM will be used.
  At this stage of our understanding of the pathophysiology of fetal blood flow, findings consistent with FVM are :
  placental thrombosis / ombilical thrombosis
  segmental avascular villi
  villous stromal-vascular karyorrhexis
  vascular intramural fibrin deposition
  stem vessel obliteration / fibromuscular (...)

• placental microscopical anomalies

  23 January

  placental infarcts / placental infarction early infarction / early infarcts microscopic infarction
  retroplacental hemorrhage
  intravillous hemorrhage
  distal villous hypoplasia (DVH)
  accelerated villous maturation
  decidual arteriopathy
  increased islands of fibrinoid with extravillous trophoblast (so-called X cells)
  placental pseudocyst
  chorion laeve pseudocyst (
  membranous decidual (...)

• maternal vascular malperfusion

  23 January

  maternal vascular malperfusion of the placental bed; MVM
  It is recommended that the term maternal vascular malperfusion (MVM) be used instead of maternal vascular underperfusion or other synonyms.
  placental infarcts / placental infarction early infarction / early infarcts microscopic infarction
  retroplacental hemorrhage
  intravillous hemorrhage
  distal villous hypoplasia (DVH)
  Open references (...)

• clarified intraepidermal nests

  21 January

  Differential diagnosis (examples)
  hidroacanthoma simplex
  clonal seborrheic keratosis
  See also
  epidermal anomalies

• clonal seborrheic Keratosis

  21 January

  clonal type seborrheic Keratosis
  Synopsis
  Clonal type / clonal seborrheic Keratosis Shows nodules of sharply demarkated intraepidermal pale keratinocytes (the Borst-Jadassohn phenomenon) intraepithelial nesting : pale basaloid keratinocytes in nests (Borst-Jadassohn phenomenon) Horn pseudocysts may be absent.
  Images
  https://twitter.com/CutisViaLux/status/940347680433364992
  https://twitter.com/MiryAchraf/status/1163236558968950790 (...)

• paratesticular inflammatory myofibroblastic tumor

  17 January

  spermatic cord inflammatory myofibroblastic tumor
  Although rare, paratesticular inflammatory myofibroblastic tumor (IMT) represents the second most common paratesticular mass after adenomatoid tumor and comprises roughly 6% of such lesions.
  Inflammatory myofibroblastic tumor (IMT) is an uncommon spindle tumor that may arise in multiple anatomic sites, including the lung, gastrointestinal tract, retroperitoneum, central nervous system, extremities, and the genitourinary tract. Although (...)

• paratesticular inflammatory pseudotumor

  17 January

  Paratesticular fibrous pseudotumor
  Open references
  Dieckmann KP, Struss WJ, Frey U, et al. Paratesticular fibrous pseudotumor in young males presenting with histological features of IgG4-related disease: two case reports. J Med Case Rep 2013;7:225. 10.1186/1752-1947-7-225 PMID: #24025610# Free

• spermatic cord tumors

  17 January

  Neoplasms of the spermatic cord
  Benign neoplasms
  adenomatoid tumor
  angiomyofibroblastoma
  angioleiomyoma
  angiofibrolipoma
  dermoid cyst
  diverticulum
  fibrous pseudotumor
  fibrolipoma
  heterotopic ossification
  mesothelial cyst
  myositis ossificans
  neuroectodermal tumor
  neurofibroma
  paraganglioma
  spindle cell lipoma
  Malignant neoplasms
  adenocarcinoma
  aggressive angiomyxoma
  lymphoma
  malignant fibrous (...)

• spermatic cord nodule

  17 January

  Etiology
  spermatic cord tumors

• parathyroid hyperplasia

  17 January

  Parathyroid gland hyperplasia PO
  See also
  parathyroid gland anomalies

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