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hyperplastic

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Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 16
Published: 01 August 2023
10.55418/9781933477282-01
ISBN-10: 1-933477-28-8
ISBN: 978-1-933477-28-2
... in the ovarian hilar region, but are more commonly encountered in the fallopian tube, where they form Walthard nests. There may be central cyst formation within the larger of these nests. Hyperplastic mesothelial cells may be present on the ovarian surface in response to inflammation or chronic irritation...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 16
Published: 01 August 2023
10.55418/9781933477282-16
ISBN-10: 1-933477-28-8
ISBN: 978-1-933477-28-2
... and Ectopic Decidua HEMATOLYMPHOID NEOPLASMS TUMOR-LIKE LESIONS Hyperplastic Lesions GERM CELL AND TROPHOBLASTIC TUMORS Miscellaneous Tumors Leiomyosarcoma MESENCHYMAL LESIONS Leiomyoma Leiomyomas are seen in the fallopian tube and paratubal tissue ( 179 ). Like adenomatoid tumors, which...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 16
Published: 01 August 2023
10.55418/9781933477282-14
ISBN-10: 1-933477-28-8
ISBN: 978-1-933477-28-2
... and can be associated with androgenic or estrogenic symptoms. The hyperplasia is not grossly visible. Microscopically, the hyperplastic Leydig cells may encircle nerve fibers and the rete ovarii ( fig. 14-10 ) ( 60 ). They resemble Leydig cells of the testis, with a central round nucleus, a prominent...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 16
Published: 01 August 2023
10.55418/9781933477282-06
ISBN-10: 1-933477-28-8
ISBN: 978-1-933477-28-2
..., and immunohistochemical profiling do not support a category of seromucinous carcinoma of the ovary . Am J Surg Pathol   2017 ; 41 : 685 - 95 . 50. Czernobilsky   B , Morris   WJ . A histologic study of ovarian endometriosis with emphasis on hyperplastic and atypical changes . Obstet Gynecol   1979 ; 53...
Images
VERRUCIFORM XANTHOMA  The <span class="search-highlight">hyperplastic</span> squamous proliferation shows verruci...
Published: 01 February 2023
VERRUCIFORM XANTHOMA Figure 5-6 VERRUCIFORM XANTHOMA The hyperplastic squamous proliferation shows verruciform architecture (left) and is associated with foamy histiocytic cells in the subepithelial stroma, which can be subtle and therefore best appreciated at high-power magnification (right). More about this image found in VERRUCIFORM XANTHOMA The hyperplastic squamous proliferation shows verruci...
Images
PSEUDOEPITHELIOMATOUS HYPERPLASIA  Left: There is thickening of the squamou...
Published: 01 February 2023
PSEUDOEPITHELIOMATOUS HYPERPLASIA Figure 5-4 PSEUDOEPITHELIOMATOUS HYPERPLASIA Left: There is thickening of the squamous epithelium, predominantly at the base, with irregular expansion and elongation of the rete. Right: The hyperplastic epithelium lacks koilocytosis and basal atypia. More about this image found in PSEUDOEPITHELIOMATOUS HYPERPLASIA Left: There is thickening of the squamou...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 15
Published: 01 March 2023
10.55418/9781933477275-12
ISBN-10: 1-933477-27-X
ISBN: 978-1-933477-27-5
... features of autoimmune gastritis (so-called type 2 gastric neuroendocrine tumors) are a clue to the presence of a gastrinoma. Following removal of the gastrinoma, the hyperplastic and some of the early gastrin-driven neoplastic lesions in the stomach may regress. Gross and Microscopic Findings. Pancreatic...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 14
Published: 01 February 2023
10.55418/9781933477268-5
ISBN-10: 1-933477-26-1
ISBN: 978-1-933477-26-8
... of the squamous epithelium, predominantly at the base, with irregular expansion and elongation of the rete. Right: The hyperplastic epithelium lacks koilocytosis and basal atypia. VERRUCIFORM XANTHOMA Figure 5-5 VERRUCIFORM XANTHOMA The mucosa shows verrucoid thickening with a velvety, granular appearance...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 14
Published: 01 February 2023
10.55418/9781933477268-4
ISBN-10: 1-933477-26-1
ISBN: 978-1-933477-26-8
..., variably firm, soft tissue; edematous polyps may have a glistening appearance. Microscopic Findings. Fibroepithelial stromal polyps are characterized by a proliferation of stroma, a central fibrovascular core, and overlying, variably hyperplastic, squamous epithelium. The stroma is the most distinctive...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 14
Published: 01 February 2023
10.55418/9781933477268-3
ISBN-10: 1-933477-26-1
ISBN: 978-1-933477-26-8
... Features. LEGH, also termed complex gastric metaplasia, is now regarded as part of the spectrum of gastric differentiation in the cervix. While initially described as a hyperplastic process, mounting molecular evidence suggests that some LEGHs are neoplastic. Clinical Features. LEGH is usually...
Images
ZONA GLOMERULOSA NODULAR HYPERPLASIA  Left: The histologic view shows diffu...
Published: 01 November 2022
ZONA GLOMERULOSA NODULAR HYPERPLASIA Figure 4-24 ZONA GLOMERULOSA NODULAR HYPERPLASIA Left: The histologic view shows diffusely hyperplastic glomerulosa- and fasciculata-type cells. Right: The hyperplastic cells are arranged in nests and cords, with a transition between glomerulosa- and fascicul... More about this image found in ZONA GLOMERULOSA NODULAR HYPERPLASIA Left: The histologic view shows diffu...
Images
CONGENITAL HYPERINSULINEMIA  In diffuse hyperinsulinism, the pancreas shows...
Published: 01 November 2022
CONGENITAL HYPERINSULINEMIA Figure 5-3 CONGENITAL HYPERINSULINEMIA In diffuse hyperinsulinism, the pancreas shows an increase in beta cells, enlarged islet cell nuclei, and ductulo-insular complexes (A,C). The hyperplastic islets are highlighted with chromogranin immunostains (B,D). More about this image found in CONGENITAL HYPERINSULINEMIA In diffuse hyperinsulinism, the pancreas shows...
Images
ECTOPIC ADRENAL TISSUE  Ectopic adrenal cortex in the periadnexal adipose t...
Published: 01 November 2022
ECTOPIC ADRENAL TISSUE Figure 4-11 ECTOPIC ADRENAL TISSUE Ectopic adrenal cortex in the periadnexal adipose tissue was discovered incidentally in a salpingo-oophorectomy specimen. These adrenal rest tissues can become hyperplastic in disorders associated with excessive adrenocorticotropic hormone... More about this image found in ECTOPIC ADRENAL TISSUE Ectopic adrenal cortex in the periadnexal adipose t...
Images
MULTINODULAR GOITER  Multiple colloid nodules of variable size (A) and dila...
Published: 01 November 2022
MULTINODULAR GOITER Figure 3-33 MULTINODULAR GOITER Multiple colloid nodules of variable size (A) and dilated follicles lined by flattened epithelium (B) are present. Other areas show hyperplastic smaller follicles, papillary hyperplasia (C), and retrogressive changes including fibrosis and cysti... More about this image found in MULTINODULAR GOITER Multiple colloid nodules of variable size (A) and dila...
Images
ADULT NONINSULINOMA PANCREATOGENOUS HYPERINSULINEMIC HYPOGLYCEMIA (NESIDIOB...
Published: 01 November 2022
ADULT NONINSULINOMA PANCREATOGENOUS HYPERINSULINEMIC HYPOGLYCEMIA (NESIDIOBLASTOSIS) Figure 5-4 ADULT NONINSULINOMA PANCREATOGENOUS HYPERINSULINEMIC HYPOGLYCEMIA (NESIDIOBLASTOSIS) The number of islets may be increased and the islets may be enlarged and appear lobulated, with an increase in beta ... More about this image found in ADULT NONINSULINOMA PANCREATOGENOUS HYPERINSULINEMIC HYPOGLYCEMIA (NESIDIOB...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 13
Published: 01 November 2022
10.55418/9781933477251-4
ISBN-10: 1-933477-25-3
ISBN: 978-1-933477-25-1
... specimen. These adrenal rest tissues can become hyperplastic in disorders associated with excessive adrenocorticotropic hormone (ACTH) production. CRYPTOCCOCAL ADRENALITIS Figure 4-13 CRYPTOCCOCAL ADRENALITIS Left: The adrenal gland is largely necrotic, with lymphocytic and granulomatous inflammation...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 13
Published: 01 November 2022
10.55418/9781933477251-5
ISBN-10: 1-933477-25-3
ISBN: 978-1-933477-25-1
...-3 CONGENITAL HYPERINSULINEMIA In diffuse hyperinsulinism, the pancreas shows an increase in beta cells, enlarged islet cell nuclei, and ductulo-insular complexes (A,C). The hyperplastic islets are highlighted with chromogranin immunostains (B,D). ADULT NONINSULINOMA PANCREATOGENOUS...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 13
Published: 01 November 2022
10.55418/9781933477251-2
ISBN-10: 1-933477-25-3
ISBN: 978-1-933477-25-1
... inactivating mutation Autosomal recessive Parathyroid glands become hyperplastic and infants symptomatically hypercalcemic Table 2-2 CALCIUM SENSING RECEPTOR (CASR) ABNORMALITIES IN NON-NEOPLASTIC PARATHYROID DISEASE Parathyroid Disease Genetic Clinical Familial hypocalciuric hypercalcemia...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 13
Published: 01 November 2022
10.55418/9781933477251-3
ISBN-10: 1-933477-25-3
ISBN: 978-1-933477-25-1
... hyperplastic smaller follicles, papillary hyperplasia (C), and retrogressive changes including fibrosis and cystic degeneration (D). MULTINODULAR GOITER Figure 3-34 MULTINODULAR GOITER Left: A Sanderson polster is formed by a cluster of small follicles protruding into a large dilated follicle. Right...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 13
Published: 01 November 2022
10.55418/9781933477251-1
ISBN-10: 1-933477-25-3
ISBN: 978-1-933477-25-1
... in hyperplastic processes Compressed by expanding tumor Immunohistochemistry Generally weak staining for hormone Variable but generally strong Electron microscopy Evidence of hyperactivity, well-developed RER and Golgi, decreased numbers of secretory granules Variable patterns of RER and Golgi, cells...