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DEEP PENETRATING NEVUS ASSOCIATED WITH A <span class="search-highlight">CONVENTIONAL</span> NEVUS (COMBINED NEVUS...
Published: 01 February 2024
DEEP PENETRATING NEVUS ASSOCIATED WITH A CONVENTIONAL NEVUS (COMBINED NEVUS) Figure 9-4 DEEP PENETRATING NEVUS ASSOCIATED WITH A CONVENTIONAL NEVUS (COMBINED NEVUS) This lesion is limited to the papillary and superficial reticular dermis. More about this image found in DEEP PENETRATING NEVUS ASSOCIATED WITH A CONVENTIONAL NEVUS (COMBINED NEVUS...
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COMBINED BALLOON CELL NEVUS  A: A <span class="search-highlight">conventional</span> melanocytic nevus contains a...
Published: 01 February 2024
COMBINED BALLOON CELL NEVUS Figure 10-14 COMBINED BALLOON CELL NEVUS A: A conventional melanocytic nevus contains a second population of epithelioid cells with clear cytoplasm (arrow). B: Juxtaposition of the epithelioid cells with abundant clear cytoplasm and small conventional melanocytes. All... More about this image found in COMBINED BALLOON CELL NEVUS A: A conventional melanocytic nevus contains a...
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DESMOPLASTIC MELANOMA WITH MYXOID STROMA  Combined <span class="search-highlight">conventional</span> and desmopl...
Published: 01 February 2024
DESMOPLASTIC MELANOMA WITH MYXOID STROMA Figure 16-3 DESMOPLASTIC MELANOMA WITH MYXOID STROMA Combined conventional and desmoplastic melanoma with fusiform amelanotic spindle cells is associated with a myxoid stroma. More about this image found in DESMOPLASTIC MELANOMA WITH MYXOID STROMA Combined conventional and desmopl...
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<span class="search-highlight">CONVENTIONAL</span> MELANOMA WITH SPITZOID FEATURES  A: Silhouette of the neoplasm...
Published: 01 February 2024
CONVENTIONAL MELANOMA WITH SPITZOID FEATURES Figure 19-1 CONVENTIONAL MELANOMA WITH SPITZOID FEATURES A: Silhouette of the neoplasm with a predominant nested growth pattern. B: The tumor cells carry a NRAS Q61R mutation and are uniformly immunoreactive with the antibody SP174. C: The tumor cells display some spitzoid cytologic features; a few clefts are seen between junctional nests and epidermis. D: The tumor cells harbor a number of chromosomal aberrations assessed by single nucleotide polymorphism (SNP) array. More about this image found in CONVENTIONAL MELANOMA WITH SPITZOID FEATURES A: Silhouette of the neoplasm...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 19
Published: 01 February 2024
10.55418/9781933477428-10
ISBN-10: 1-933477-42-3
ISBN: 978-1-933477-42-8
... papule (arrow) shows bluish discoloration. C: Dermoscopy of the nevus and separate dark papule (arrow). MICROSCOPIC FINDINGS Common scenarios of mixed nevus phenotypes within the same clinical lesion include those of a conventional acquired or congenital nevus combined with a blue nevus ( 1 – 3 ), deep...
Images
COMBINED DEEP PENETRATING NEVUS  A: Silhouette of a congenital nevus with a...
Published: 01 February 2024
COMBINED DEEP PENETRATING NEVUS Figure 10-2 COMBINED DEEP PENETRATING NEVUS A: Silhouette of a congenital nevus with a dual population of conventional and pigmented melanocytes. B: Juxtaposition of the pigmented spindle and epithelioid melanocytes (*) and conventional type B (arrow) melanocytes ... More about this image found in COMBINED DEEP PENETRATING NEVUS A: Silhouette of a congenital nevus with a...
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COMBINED DEEP PENETRATING NEVUS  A: Silhouette of an intradermal melanocyti...
Published: 01 February 2024
COMBINED DEEP PENETRATING NEVUS Figure 10-3 COMBINED DEEP PENETRATING NEVUS A: Silhouette of an intradermal melanocytic nevus with a predominant population of conventional melanocytes superficially (arrows) and a second population of pigmented melanocytes (*) in the mid-reticular dermis surroundi... More about this image found in COMBINED DEEP PENETRATING NEVUS A: Silhouette of an intradermal melanocyti...
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COMBINED BAP1-INACTIVATED MELANOCYTIC NEVUS  A: Silhouette of a predominant...
Published: 01 February 2024
COMBINED BAP1-INACTIVATED MELANOCYTIC NEVUS Figure 10-8 COMBINED BAP1-INACTIVATED MELANOCYTIC NEVUS A: Silhouette of a predominantly intradermal melanocytic nevus. B: There is a dual population of melanocytes with small conventional melanocytes present at the periphery of the lesion (thin arrow)... More about this image found in COMBINED BAP1-INACTIVATED MELANOCYTIC NEVUS A: Silhouette of a predominant...
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COMBINED NEUROTIZED NEVUS  There is a mixed population of nests of small co...
Published: 01 February 2024
COMBINED NEUROTIZED NEVUS Figure 10-12 COMBINED NEUROTIZED NEVUS There is a mixed population of nests of small conventional epithelioid melanocytes (arrow) and fusiform spindle cells. More about this image found in COMBINED NEUROTIZED NEVUS There is a mixed population of nests of small co...
Images
COMBINED NEUROTIZED NEVUS  This biphenotypic congenital nevus has a superfi...
Published: 01 February 2024
COMBINED NEUROTIZED NEVUS Figure 10-13 COMBINED NEUROTIZED NEVUS This biphenotypic congenital nevus has a superficial conventional nevus cell population (arrow) and a deep dermal nodule of fusiform melanocytes with schwannian features (*). More about this image found in COMBINED NEUROTIZED NEVUS This biphenotypic congenital nevus has a superfi...
Images
COMBINED BLUE NEVUS  Biphenotypic intradermal melanocytic nevus with a mixe...
Published: 01 February 2024
COMBINED BLUE NEVUS Figure 8-11 COMBINED BLUE NEVUS Biphenotypic intradermal melanocytic nevus with a mixed population of conventional small epithelioid melanocytes and a pigmented population with fusiform melanocytes with common BN-like features. More about this image found in COMBINED BLUE NEVUS Biphenotypic intradermal melanocytic nevus with a mixe...
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COMBINED DEEP PENETRATING NEVUS  This compound melanocytic nevus is predomi...
Published: 01 February 2024
COMBINED DEEP PENETRATING NEVUS Figure 10-5 COMBINED DEEP PENETRATING NEVUS This compound melanocytic nevus is predominantly composed of conventional small epithelioid melanocytes (arrow), a minor subpopulation of pigmented spindle and epithelioid melanocytes (*), and clusters of melanophages. More about this image found in COMBINED DEEP PENETRATING NEVUS This compound melanocytic nevus is predomi...
Images
COMBINED PIGMENTED EPITHELIOID MELANOCYTOMA  The predominant cell populatio...
Published: 01 February 2024
COMBINED PIGMENTED EPITHELIOID MELANOCYTOMA Figure 10-15 COMBINED PIGMENTED EPITHELIOID MELANOCYTOMA The predominant cell population of this biphenotypic melanocytic neoplasm shows features of a pigmented epithelioid melanocytoma (*). A minor cell population shows conventional nevus features (arr... More about this image found in COMBINED PIGMENTED EPITHELIOID MELANOCYTOMA The predominant cell populatio...
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COMBINED INVERTED TYPE A NEVUS  A: Silhouette of an intradermal melanocytic...
Published: 01 February 2024
COMBINED INVERTED TYPE A NEVUS Figure 10-6 COMBINED INVERTED TYPE A NEVUS A: Silhouette of an intradermal melanocytic nevus with variable pigmentation. B: Most of the nevus cells display small conventional epithelioid cell features (arrow), but there is a minor subpopulation of larger pigmented ... More about this image found in COMBINED INVERTED TYPE A NEVUS A: Silhouette of an intradermal melanocytic...
Images
BLUE NEVUS WITH EPITHELIOID CELL FEATURES  A: Heavily pigmented intradermal...
Published: 01 February 2024
BLUE NEVUS WITH EPITHELIOID CELL FEATURES Figure 8-10 BLUE NEVUS WITH EPITHELIOID CELL FEATURES A: Heavily pigmented intradermal melanocytic nevus. B,C: Most of the pigmented tumor cells are epithelioid in appearance. A minor population of melanocytes displays conventional BN-like fusiform and d... More about this image found in BLUE NEVUS WITH EPITHELIOID CELL FEATURES A: Heavily pigmented intradermal...
Images
COMBINED BLUE NEVUS  A: Intradermal melanocytic nevus with a superficial de...
Published: 01 February 2024
COMBINED BLUE NEVUS Figure 10-10 COMBINED BLUE NEVUS A: Intradermal melanocytic nevus with a superficial dermal population of small epithelioid melanocytes (arrow) overlying a proliferation of pigmented fusiform and dendritic cells (*). B: Juxtaposition of conventional small epithelioid melanocy... More about this image found in COMBINED BLUE NEVUS A: Intradermal melanocytic nevus with a superficial de...
Images
COMBINED DEEP PENETRATING NEVUS  A: Silhouette of a combined melanocytic ne...
Published: 01 February 2024
COMBINED DEEP PENETRATING NEVUS Figure 10-4 COMBINED DEEP PENETRATING NEVUS A: Silhouette of a combined melanocytic nevus of the eyelid with a prominent population of pigmented melanocytes and melanophages surrounding a hair follicle. B: Juxtaposition of nests of conventional melanocytes and the... More about this image found in COMBINED DEEP PENETRATING NEVUS A: Silhouette of a combined melanocytic ne...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 19
Published: 01 February 2024
10.55418/9781933477428-19
ISBN-10: 1-933477-42-3
ISBN: 978-1-933477-42-8
... with a molecular pathway characteristic of Spitz neoplasms, such as kinase fusions or HRAS mutations ( Table 19-1 ) ( 3 – 7 ). A “true” Spitz melanoma is not supposed to harbor a driver mutation of a conventional melanoma, such as BRAF, NRAS, or NF1. Table 19-1 FEATURES OF SPITZOID...
Images
COMBINED DESMOPLASTIC NEVUS  The compound nevus has a wedge-shaped symmetri...
Published: 01 February 2024
COMBINED DESMOPLASTIC NEVUS Figure 10-11 COMBINED DESMOPLASTIC NEVUS The compound nevus has a wedge-shaped symmetric silhouette. Its junctional and superficial dermal melanocyte population is composed of conventional small epithelioid cells (arrow), while most of its deep component contains fusif... More about this image found in COMBINED DESMOPLASTIC NEVUS The compound nevus has a wedge-shaped symmetri...
Images
COMBINED BAP1-INACTIVATED MELANOCYTIC NEVUS  A: Silhouette of a predominant...
Published: 01 February 2024
COMBINED BAP1-INACTIVATED MELANOCYTIC NEVUS Figure 10-7 COMBINED BAP1-INACTIVATED MELANOCYTIC NEVUS A: Silhouette of a predominantly intradermal melanocytic nevus. A nodular proliferation of large epithelioid melanocytes (*) in the center of the lesion is flanked by a plaque-like growth of conven... More about this image found in COMBINED BAP1-INACTIVATED MELANOCYTIC NEVUS A: Silhouette of a predominant...