cyst
Definition: In pathology, “cyst” is the term used for lesions that consists of an epithelium-lined cavity that is filled by material that is generally fluid, mucinous or semi-solid.
Cysts can arise anywhere in the body and their epithelial lining varies according to the site and tissue they originate from.
Although cysts can have a bulky tumor-like appearance, the majority are completely benign non-neoplastic lesions. It should, however, be borne in mind that benign and malignant (...)
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Macroscopy
Articles
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cysts
21 May 2004 -
hepatocellular carcinoma
28 April 2004HCC
Digital cases
HPC:150 (HPC:150) : Hepatocellular carcinoma, well-differentiated, grade 2.
HPC:117 (HPC:117) : Hepatocellular carcinoma in Alagille disease.
Hepatocellular Carcinoma, FNA and Core Biopsy by Ed Euthman.
Definition: HCC is the fifth most common cancer in the world. The incidence of HCC has doubled in the United States over the past 25 years and the incidence and mortality rates of HCC seem likely to double again over the next 10–20 years.
Macroscopy (...) -
gonadoblastoma
11 March 2004Scully RE, 1953.
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familial adenomatous polyposis
20 November 2003adenomatous polyposis, FAP
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acute pancreatitis
11 May 2005Images
The gross pathology and progression of acute pancreatitis
https://twitter.com/PancPathologist/status/762627089111580672
Synopsis
complications
peripancreatic free fluid collections
extrapancreatic spread of acute pancreatitis
infected or noninfected pseudocysts
pancreatic abscess
complex cystic structure with internal debris/septations and echogenic gas bubbles
vascular pseudoaneurysm
acute hemorrhage
venous thrombosis
associated gastric varices
Etiology (...) -
metastasis
29 October 2003cancer metastasis, tumoral metastasis, metastases
Definition: Metastasis can be viewed as an evolutionary process, culminating in the prevalence of rare tumour cells that overcame stringent physiological barriers as they separated from their original environment and developmental fate.
Types
lymphatic dissemination
nodal metastasis
carcinomatous lymphangitis
Localization
visceral metastasis
pulmonary metastasis
hepatic metastasis
digestive metastasis
cerebral metastasis (...) -
ovarian teratoma
10 March 2004ovarian teratomas; OT; OTs; ovarian pure teratoma
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allograft rejection
15 March 2004Digital case
UI:774 : acute renal allograft rejection
Transplant rejection involves several of the immunologic reactions. A major barrier to transplantation is the process of rejection, in which the recipient’s immune system recognizes the graft as being foreign and attacks it. One of the important goals of present-day immunologic research is successful transplantation of tissues in humans without rejection.
Although the surgical expertise for the transplantation of skin, kidneys, heart, (...) -
lipomas
8 March 2004mature lipoma
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Cystic fibrosis
27 June 2003mucoviscidosis