Search Results for zone

DIFFUSE ALDOSTERONE-PRODUCING HYPERPLASIA Figure 4-30 DIFFUSE ALDOSTERONE-PRODUCING HYPERPLASIA A continuous zone of hyperplastic zona glomerulosa is present in non-neoplastic adrenal gland. More about this image found in DIFFUSE ALDOSTERONE-PRODUCING HYPERPLASIA A continuous zone of hyperplasti...

PERINATAL ADRENAL GLAND SHOWING DEFINITIVE AND PROVISIONAL ZONES BEFORE INVOLUTION Figure 1-25 PERINATAL ADRENAL GLAND SHOWING DEFINITIVE AND PROVISIONAL ZONES BEFORE INVOLUTION Definitive cortex forms a thin rim of subcapsular cells, which have a high nuclear to cytoplasmic ratio. Most More about this image found in PERINATAL ADRENAL GLAND SHOWING DEFINITIVE AND PROVISIONAL ZONES BEFORE INV...

Ki-67 IN FETAL ADRENAL GLAND Figure 1-15 Ki-67 IN FETAL ADRENAL GLAND Immunoreactivity for Ki-67 is abundant in the definitive zone, which is the major site of cortical cell generation. Scattered individual stained cortical cells are also present in the provisional zone, along with aggregates More about this image found in Ki-67 IN FETAL ADRENAL GLAND Immunoreactivity for Ki-67 is abundant in the...

OVARIAN THECAL METAPLASIA Figure 1-36 OVARIAN THECAL METAPLASIA Ovarian thecal metaplasia appears as a broad zone of bland spindle cells. Nests of pale-staining cortical cells are present within the spindle cell component. More about this image found in OVARIAN THECAL METAPLASIA Ovarian thecal metaplasia appears as a broad zon...

ADRENAL CORTICAL ADENOMA WITH CUSHING SYNDROME Figure 5-7 ADRENAL CORTICAL ADENOMA WITH CUSHING SYNDROME This adrenal cortical adenoma from a 32-year-old woman with Cushing syndrome measured 2.1 cm. The geographic to mottled zones of dark pigmentation are due to lipid depletion of neoplastic More about this image found in ADRENAL CORTICAL ADENOMA WITH CUSHING SYNDROME This adrenal cortical adeno...

tumor. A: Mature GN was seen in much of the resected tumor when the patient was a little over 18 years of age during a debulking procedure. B: Other areas of the same tumor show transition to a malignant peripheral nerve sheath tumor. C: Transition zone of a malignant peripheral nerve sheath tumor More about this image found in MALIGNANT TRANSFORMATION OF A GANGLIONEUROMA This tumor first presented at...

ADRENAL HISTOPLASMOSIS Figure 12-21 ADRENAL HISTOPLASMOSIS A: Transverse section of an enlarged adrenal gland from a patient with disseminated histoplasmosis. There are broad zones of caseous necrosis and small areas of hemorrhage. B: Numerous intracellular organisms typical for Histoplasma More about this image found in ADRENAL HISTOPLASMOSIS A: Transverse section of an enlarged adrenal gland ...

MAJOR BIOSYNTHETIC PATHWAYS FOR STEROIDOGENESIS Figure 1-1 MAJOR BIOSYNTHETIC PATHWAYS FOR STEROIDOGENESIS Both adrenal gland and gonadal pathways are shown. Functions distinguishing the adrenal cortical zones from each other and from the gonads are determined by differential expression More about this image found in MAJOR BIOSYNTHETIC PATHWAYS FOR STEROIDOGENESIS Both adrenal gland and gon...

LEPROMATOUS LEPROSY Figure 15-20 LEPROMATOUS LEPROSY Spared “Grenz zone” separates the foamy macrophage infiltrate from the epidermis. More about this image found in LEPROMATOUS LEPROSY Spared “Grenz zone” separates the foamy macrophage inf...

KERION Figure 24-37 KERION A central zone of suppurative inflammation in response to an elaborated fragment of infected hair shaft material, showing a peripheral ill-defined granulomatous infiltrate. More about this image found in KERION A central zone of suppurative inflammation in response to an elabor...

ORAL HAIRY LEUKOPLAKIA Figure 8-10 ORAL HAIRY LEUKOPLAKIA Prominent squamous hyperplasia and confluent parakeratosis are seen at low power. A subcorneal band-like zone of large ballooned epithelial cells with a perinuclear halo is in many of the squamous cells. (Courtesy of the CDC PHIL) More about this image found in ORAL HAIRY LEUKOPLAKIA Prominent squamous hyperplasia and confluent parake...

GRAM-NEGATIVE BACTERIA Figure 12-42 GRAM-NEGATIVE BACTERIA Histopathology of the vasocentric pattern of inflammation due to gram-negative bacteria in the larynx, showing zones of vessel-associated necrosis at low power (A). Note the gram-negative bacilli in relation to the blood vessel wall More about this image found in GRAM-NEGATIVE BACTERIA Histopathology of the vasocentric pattern of inflam...

ACUTE VIRAL HEPATITIS DUE TO HERPES SIMPLEX VIRUS Figure 5-3 ACUTE VIRAL HEPATITIS DUE TO HERPES SIMPLEX VIRUS A: Typical mottled macroscopic appearance of the liver, with circumscribed pale necrotic foci surrounded by irregular congested and hemorrhagic zones. B: Microscopy reveals extensive More about this image found in ACUTE VIRAL HEPATITIS DUE TO HERPES SIMPLEX VIRUS A: Typical mottled macro...