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• Angiosarcoma
  | Micro = atypical cells - usu. spindle cells, occasionally epithelioid; vascular differentiation (abundant capillaries - "red" at low power, +/-cytoplasmic | LMDDx = [[Kaposi sarcoma]], [[anastomosing hemangioma]], other [[vascular tumours]]
  10 KB (1,301 words) - 14:44, 13 October 2021
• Hemangioma of the liver
  ...', also '''liver hemangioma''' and '''hepatic hemangioma''', is a benign [[vascular tumour]] of the [[liver]], that may be mistaken for [[metastatic disease]]. *[[Epithelioid hemangioendothelioma]] - atypical perivascular cells, classically with cytoplasmic vacuolization ("blister ce
  4 KB (526 words) - 16:55, 19 October 2015
• Adipocytic tumours
  *Atypical lipomatous tumour. *Not vascular.
  6 KB (701 words) - 15:51, 22 April 2024
• Uterine tumours
  *Moderately demarcated lesion with: *Often singular, i.e. one lesion; leiomyomata are often multiple.
  10 KB (1,243 words) - 15:26, 10 January 2022
• Leiomyosarcoma
  ...ncertain malignant potential]] (STUMP), [[endometrial stromal sarcoma]], [[atypical leiomyoma]] (symplastic leiomyoma) *Often singular, i.e. one lesion; leiomyomata are often multiple.
  8 KB (961 words) - 06:15, 16 October 2014
• Spindle cell lesions
  ...l_nerve_sheath_tumour_-_very_high_mag.jpg|thumb|right|250px|A spindle cell lesion ([[MPNST]]). [[H&E stain]].]] | mesenchymal lesion
  15 KB (1,630 words) - 15:44, 18 June 2017
• Pheochromocytoma
  *Often haemorrhagic - highly vascular. *[[Paraganglioma]] - same lesion arising outside of the adrenal gland.
  11 KB (1,425 words) - 15:11, 27 November 2024
• Fibroblastic/myofibroblastic tumours
  **'''No''' atypical mitoses. **No atypical mitoses.
  20 KB (2,365 words) - 18:58, 24 March 2019
• Melanocytic lesions
  [[Image:Blue nevus - intermed mag.jpg|thumb|right|A melanocytic lesion ([[blue nevus]]). [[H&E stain]]. (WC/Nephron)]] ...causes some difficulty, i.e. it is hard to decide in some cases whether a lesion is benign (e.g. [[Spitz nevus]]) or malignant ([[malignant melanoma]]).
  23 KB (3,035 words) - 18:47, 11 February 2021
• Malignant peripheral nerve sheath tumour
  | Micro = spindle cell lesion (or very rarely epithelioid lesion) with nuclear atypia, mitotic activity, +/-[[herring bone pattern]] *Tumor herniation into vascular lumens.
  12 KB (1,493 words) - 09:28, 27 April 2017
• Chondrosarcoma
  | Signs = mass lesion *Chondrosarcoma is the most common primary malignant chest wall lesion.<ref name=pmid10451259>{{Cite journal | last1 = Somers | first1 = J. | las
  15 KB (1,814 words) - 16:53, 6 February 2016
• Malignant melanoma
  ...dysplastic nevus]], [[Spitz nevus]], [[common nevus]] (nevoid melanoma), [[atypical fibroxanthoma]], (spindle cell) [[squamous cell carcinoma]], [[leiomyosarco *Colour (black - variable in lesion).
  26 KB (3,383 words) - 15:32, 5 November 2021
• Long power list
  *[[Complex sclerosing lesion]]. *[[Atypical fibroxanthoma]].
  26 KB (2,492 words) - 04:47, 20 March 2024
• Urothelium
  URINARY BLADDER LESION, TRANSURETHRAL RESECTION: | some, none atypical
  18 KB (2,230 words) - 21:35, 2 November 2016
• Basics
  *Ulcer = lesion through skin or mucous membrane. *Vascular.
  27 KB (3,712 words) - 03:29, 14 July 2016
• Breast pathology
  #Mass lesion - usu. obvious what is going on; typically 3 levels. ...leveling the specimen to exhaustion and/or note the lack of a correlating lesion on your report.
  23 KB (3,103 words) - 04:47, 1 July 2016
• Bone
  *Peripheral vascular disease. *No atypical mitoses.
  17 KB (2,107 words) - 21:39, 23 June 2018
• Dermatopathology
  *Incisional biopsy = a piece of the lesion for pathologic assessment; lesion not completely removed. *Excision = lesion cut-out with intent for complete removal - usual has a generous margin, e.g
  31 KB (3,974 words) - 20:38, 21 February 2020
• Adenocarcinoma of the lung
  | LMDDx = [[atypical adenomatous hyperplasia of the lung]], adenocarcinoma in situ, [[squamous c | Rads = lung mass - typically peripheral lesion (distant from large airways), may be multifocal
  25 KB (3,243 words) - 21:54, 11 January 2022
• Liver neoplasms
  B. [[File:2 CAV 1 680x512px.tif|Cavernous hemangioma with flat, non-atypical endothelium (200X).]] ...s with nonspecific fibrotic bridge. B. Cavernous hemangioma with flat, non-atypical endothelium. C. Tortuous bile ductules, not to be considered generalized in
  25 KB (3,275 words) - 23:15, 31 January 2017

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