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• Foregut primary carcinomas
  '''Foregut primary carcinomas''' can be difficult to definitively categorize on the basis of [[pathology]] alone, as their [[ *[[HNF-1beta]] +ve (72-87% of cases +ve in one study<ref name=pmid30065837>{{cite journal |authors=Yang MX, Coa
  2 KB (299 words) - 14:51, 29 August 2025
• Case 107
  | Idh-1= ...luminal contents are watery, but can be thick and tenacious. The tumor is difficult to recognize because the atypia is not pronounced. Closer examination will
  5 KB (608 words) - 04:27, 24 September 2015
• Hürthle cell neoplasm
  ...advocate ''total thyroidectomy'' for all Hürthle cell neoplasms, as it is difficult to reliably differentiate adenomas and carcinomas.<ref name=pmid9697901>{{C ...the thyroid. | journal = J Clin Endocrinol Metab | volume = 100 | issue = 1 | pages = 55-62 | month = Jan | year = 2015 | doi = 10.1210/jc.2014-1634 |
  6 KB (851 words) - 14:04, 17 February 2016
• Aspergillosis
  ...last8 = Niki | first8 = Y. | last9 = Soejima | first9 = R. | title = [Two cases of invasive pulmonary aspergillosis in non-immunocompromised hosts]. | jour *Septated - often difficult to see.
  3 KB (380 words) - 20:53, 27 May 2016
• Pseudoinvasion in colorectal adenomatous polyps
  ...bowel cancer screening. | journal = Histopathology | volume = 66 | issue = 1 | pages = 66-77 | month = Jan | year = 2015 | doi = 10.1111/his.12530 | PMI ...of the colon and rectum. | journal = J Clin Pathol | volume = 26 | issue = 1 | pages = 25-31 | month = Jan | year = 1973 | doi = | PMID = 4540378 | PMC
  4 KB (464 words) - 06:27, 19 March 2018
• Gallbladder carcinoma
  ...t associated with gallbladder carcinoma |journal=Am Surg |volume=67 |issue=1 |pages=7?0 |year=2001 |month=January |pmid=11206901 |doi= |url=}}</ref> *May be very subtle, i.e. difficult to differentiate from normal glands.
  7 KB (806 words) - 14:43, 15 August 2024
• Prostate cancer staging
  ...d locally advanced disease. | journal = Mod Pathol | volume = 24 | issue = 1 | pages = 26-38 | month = Jan | year = 2011 | doi = 10.1038/modpathol.2010. *The apex of the prostate gland may have some skeletal muscle. Thus, it is difficult to define extension at this site. EPE is not called at the apex by some pat
  11 KB (1,483 words) - 18:28, 15 April 2024
• Wilms tumour
  | IHC = WT-1 +ve, CD56 +ve ...y report] |language=Polish |journal=Med Wieku Rozwoj |volume=8 |issue=2 Pt 1 |pages=197–200 |year=2004 |pmid=15738594 |doi= |url=}}</ref>
  8 KB (989 words) - 05:48, 14 October 2018
• Pediatric pathology
  ...gy associated with stillbirth |journal=Semin. Perinatol. |volume=26 |issue=1 |pages=83–8 |year=2002 |month=February |pmid=11876572 |doi= |url=}}</ref> *HIE is the most common cause of neonatal seizures and often difficult to control with anticonvulsants.<ref>URL: [http://emedicine.medscape.com/ar
  9 KB (1,183 words) - 05:54, 12 January 2015
• Medullary colorectal carcinoma
  | Prevalence = 1-3% of all colorectal carcinomas ...nosis, especially if the tumour also contains conventional adenocarcinoma. Cases may not be recognised and diagnosed as poorly differentiated adenocarcinon
  7 KB (928 words) - 21:15, 1 June 2023
• Yolk sac tumour
  ...last7 = Morris | first7 = RT. | title = A population-based analysis of 788 cases of yolk sac tumors: A comparison of males and females. | journal = Int J Ca ...tumors of the testis in adults. | journal = Cancer | volume = 36 | issue = 1 | pages = 211-5 | month = Jul | year = 1975 | doi = | PMID = 1203848 }}</r
  10 KB (1,302 words) - 20:18, 30 April 2024
• Merkel cell carcinoma
  ...rkel cell polyomavirus +ve, CK20 +ve (perinuclear dot-like), CD56 +ve, TTF-1 -ve, CK7 -ve, NF +ve *Merkel cell carcinoma [[lymph node metastases]] is difficult to diagnose with routine stains; use of IHC stains are advised.<ref name=ca
  8 KB (1,014 words) - 21:32, 10 January 2023
• Adenocarcinoma of the uterine cervix
  *May be difficult to be certain of invasion. Image: Endocervical_adenocarcinoma_(1).jpg | Endocervical adenocarcinoma. (WC/KGH)
  5 KB (639 words) - 20:34, 23 June 2016
• Synovial sarcoma
  | Micro = one of the following: (1) spindle cell sarcoma with features of [[hemangiopericytoma]], i.e. [[stagh *Usually distal extremity ~65% of cases.<ref name=pmid16973781/>
  8 KB (1,049 words) - 17:35, 23 January 2014
• Renal oncocytoma
  *Can be difficult to distinguish radiologically from RCC (chromophobe subtype). **1/3 have a characteristic central scar.<ref name=Ref_GUP302>{{Ref GUP|302}}</
  13 KB (1,660 words) - 13:41, 19 June 2024
• Molecular Pathology Rotation Notes
  ===UNIT 1=== {{hidden|Why are inversion mutations difficult to detect?|<center>[[When the are smal, e.g. only a few base pairs]]</cente
  8 KB (1,081 words) - 00:23, 28 July 2015
• Soft tissue lesions
  ...esions''' strike fear in many pathologists as they are uncommon and may be difficult to diagnose. Malignant soft tissue lesions, i.e. [[cancer|cancerous]] soft ...orphology or molecular genetics? |journal=Histopathology |volume=39 |issue=1 |pages=100–3 |year=2001 |month=July |pmid=11454050 |doi= |url=}}</ref>
  15 KB (1,785 words) - 12:50, 3 November 2015
• Non-invasive breast carcinoma
  ...inoma in situ versus usual ductal hyperplasia in the breast: a potentially difficult distinction resolved by cytokeratin 5/6. | journal = Hum Pathol | volume = ...needle biopsies: does it warrant surgical excisional biopsy? A study of 27 cases. | journal = Ann Diagn Pathol | volume = 14 | issue = 4 | pages = 251-5 | m
  8 KB (1,020 words) - 05:36, 23 January 2017
• Low-grade papillary urothelial carcinoma
  ...= Hansel | first7 = DE. | title = Clinicopathologic characteristics of 23 cases of invasive low-grade papillary urothelial carcinoma. | journal = Urology | **Usually difficult to find.
  10 KB (1,239 words) - 13:31, 27 April 2016
• Lymphovascular invasion
  ...cation of Adrenal Cortical Tumors |journal=Endocr Pathol |volume=33 |issue=1 |pages=155–196 |date=March 2022 |pmid=35288842 |pmc=8920443 |doi=10.1007/ ...asion'' was traditionally preferred to ''[[vascular invasion]]'', as it is difficult to differentiate morphologically small lymphatics and small vascular spaces
  9 KB (1,319 words) - 18:55, 19 June 2025

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