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MELANOCYTIC NEVUS WITH LIPIDIZATION  Some of the melanocytes <span class="search-highlight">show</span> microvesi...
Published: 01 February 2024
MELANOCYTIC NEVUS WITH LIPIDIZATION Figure 3-14 MELANOCYTIC NEVUS WITH LIPIDIZATION Some of the melanocytes show microvesicular lipidized cytoplasm similar to sebocytes (arrows). More about this image found in MELANOCYTIC NEVUS WITH LIPIDIZATION Some of the melanocytes show microvesi...
Images
SPITZ NEVUS  Some junctional nests <span class="search-highlight">show</span> a cleft between melanocytes and ker...
Published: 01 February 2024
SPITZ NEVUS Figure 7-11 SPITZ NEVUS Some junctional nests show a cleft between melanocytes and keratinocytes (black arrow). The nevus also contains a large pink dull globule (white arrow). More about this image found in SPITZ NEVUS Some junctional nests show a cleft between melanocytes and ker...
Images
BREAST NEVUS  A: The compound melanocytic nevus <span class="search-highlight">shows</span> nests of varying size...
Published: 01 February 2024
BREAST NEVUS Figure 5-7 BREAST NEVUS A: The compound melanocytic nevus shows nests of varying size and shape with a junctional shoulder. B: Large nests of melanocytes are seen with cell dyscohesion (arrow). More about this image found in BREAST NEVUS A: The compound melanocytic nevus shows nests of varying size...
Images
PERSISTENT MELANOCYTIC NEVUS  There is a trizonal pattern <span class="search-highlight">showing</span> a pigment...
Published: 01 February 2024
PERSISTENT MELANOCYTIC NEVUS Figure 6-3 PERSISTENT MELANOCYTIC NEVUS There is a trizonal pattern showing a pigmented junctional melanocytic proliferation overlying a scar, with residual intradermal nevus (arrows) and inflammation at the bottom of the scar. More about this image found in PERSISTENT MELANOCYTIC NEVUS There is a trizonal pattern showing a pigment...
Images
NEVUS CHANGING UNDER BRAF INHIBITOR THERAPY  A: The nevus <span class="search-highlight">shows</span> features of...
Published: 01 February 2024
NEVUS CHANGING UNDER BRAF INHIBITOR THERAPY Figure 6-9 NEVUS CHANGING UNDER BRAF INHIBITOR THERAPY A: The nevus shows features of an inflamed dysplastic nevus. B: Junctional nests at the tips of rete ridges vary in size and shape. A few suprabasilar melanocytes are seen in the center of the lesi... More about this image found in NEVUS CHANGING UNDER BRAF INHIBITOR THERAPY A: The nevus shows features of...
Images
HALO SPITZ NEVUS  A: The silhouette of the lesion <span class="search-highlight">shows</span> a dense band-like l...
Published: 01 February 2024
HALO SPITZ NEVUS Figure 7-14 HALO SPITZ NEVUS A: The silhouette of the lesion shows a dense band-like lymphocytic infiltrate in the superficial dermis. B: A few scattered large epithelioid (spitzoid) melanocytes are present in the lymphocytic infiltrate. More about this image found in HALO SPITZ NEVUS A: The silhouette of the lesion shows a dense band-like l...
Images
ACRAL MELANOMA  The invasive tumor <span class="search-highlight">shows</span> asymmetric pigmentation and an abn...
Published: 01 February 2024
ACRAL MELANOMA Figure 14-10 ACRAL MELANOMA The invasive tumor shows asymmetric pigmentation and an abnormal growth pattern. The tumor cells in the dermis show similar cytologic atypia as those of the intraepidermal in situ melanoma. More about this image found in ACRAL MELANOMA The invasive tumor shows asymmetric pigmentation and an abn...
Images
PAPILLOMATOUS MELANOCYTIC NEVUS  A: The tumor <span class="search-highlight">shows</span> an exophytic growth pat...
Published: 01 February 2024
PAPILLOMATOUS MELANOCYTIC NEVUS Figure 17-11 PAPILLOMATOUS MELANOCYTIC NEVUS A: The tumor shows an exophytic growth pattern with several papillae. B: Within each papilla is a fair amount of recognizable stroma, i.e., the stroma has not been replaced by tumor cells. The melanocytes are cytologica... More about this image found in PAPILLOMATOUS MELANOCYTIC NEVUS A: The tumor shows an exophytic growth pat...
Images
MELANOMA WITH SARCOMATOID DIFFERENTIATION  A: Amelanotic spindle cell melan...
Published: 01 February 2024
MELANOMA WITH SARCOMATOID DIFFERENTIATION Figure 21-7 MELANOMA WITH SARCOMATOID DIFFERENTIATION A: Amelanotic spindle cell melanoma shows focally osseous differentiation. B: The same tumor also showed focal cartilaginous differentiation. More about this image found in MELANOMA WITH SARCOMATOID DIFFERENTIATION A: Amelanotic spindle cell melan...
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...
Images
NEUROFIBROMA-LIKE DESMOPLASTIC MELANOMA  A: Punch biopsy with an intraderma...
Published: 01 February 2024
NEUROFIBROMA-LIKE DESMOPLASTIC MELANOMA Figure 16-10 NEUROFIBROMA-LIKE DESMOPLASTIC MELANOMA A: Punch biopsy with an intradermal spindle cell proliferation. B: Cytologically bland spindle cells with Schwannian (neurofibroma-like) features. C: The biopsy of the locally persistent tumor shows mel... More about this image found in NEUROFIBROMA-LIKE DESMOPLASTIC MELANOMA A: Punch biopsy with an intraderma...
Images
NODULAR MELANOMA ASSOCIATED WITH A LARGE CONGENITAL MELANOCYTIC NEVUS  A: T...
Published: 01 February 2024
NODULAR MELANOMA ASSOCIATED WITH A LARGE CONGENITAL MELANOCYTIC NEVUS Figure 20-3 NODULAR MELANOMA ASSOCIATED WITH A LARGE CONGENITAL MELANOCYTIC NEVUS A: The tumor is characterized by asymmetric exophytic growth with various colors. B: Silhouette of the lesion shows expansile nodular growth sur... More about this image found in NODULAR MELANOMA ASSOCIATED WITH A LARGE CONGENITAL MELANOCYTIC NEVUS A: T...
Images
MELANOMA ARISING IN ASSOCIATION WITH A PLAQUE BLUE NEVUS  A: A densely cell...
Published: 01 February 2024
MELANOMA ARISING IN ASSOCIATION WITH A PLAQUE BLUE NEVUS Figure 18-4 MELANOMA ARISING IN ASSOCIATION WITH A PLAQUE BLUE NEVUS A: A densely cellular nodule is present in the subcutis in association with a portion of a broad plaque-type blue nevus. B: Areas highlighted from the benign blue nevus p... More about this image found in MELANOMA ARISING IN ASSOCIATION WITH A PLAQUE BLUE NEVUS A: A densely cell...
Images
SPITZOID LENTIGO  The melanocytes associated with this macular hyperpigment...
Published: 01 February 2024
SPITZOID LENTIGO Figure 1-5 SPITZOID LENTIGO The melanocytes associated with this macular hyperpigmentation show large epithelioid features. More about this image found in SPITZOID LENTIGO The melanocytes associated with this macular hyperpigment...
Images
MELANOCYTIC NEVUS WITH FATTY METAPLASIA  A: Silhouette of an intradermal ne...
Published: 01 February 2024
MELANOCYTIC NEVUS WITH FATTY METAPLASIA Figure 3-11 MELANOCYTIC NEVUS WITH FATTY METAPLASIA A: Silhouette of an intradermal nevus shows fatty changes. B: Melanocytes are admixed with adipose tissue. More about this image found in MELANOCYTIC NEVUS WITH FATTY METAPLASIA A: Silhouette of an intradermal ne...
Images
VULVAR NEVUS ASSOCIATED WITH LICHEN SCLEROSUS  The junctional melanocytes s...
Published: 01 February 2024
VULVAR NEVUS ASSOCIATED WITH LICHEN SCLEROSUS Figure 5-6 VULVAR NEVUS ASSOCIATED WITH LICHEN SCLEROSUS The junctional melanocytes show a complex growth pattern and display cellular dyscohesion. More about this image found in VULVAR NEVUS ASSOCIATED WITH LICHEN SCLEROSUS The junctional melanocytes s...
Images
NODULAR MELANOMA  A: Papule on the back of the upper arm.  B: Exophytic nod...
Published: 01 February 2024
NODULAR MELANOMA Figure 15-1 NODULAR MELANOMA A: Papule on the back of the upper arm. B: Exophytic nodule; there is no adjacent macular component. C: Dermoscopy shows abnormal vessels. More about this image found in NODULAR MELANOMA A: Papule on the back of the upper arm. B: Exophytic nod...
Images
METASTATIC MELANOMA IN DERMIS  A: A scanning magnification, the lesion disp...
Published: 01 February 2024
METASTATIC MELANOMA IN DERMIS Figure 22-5 METASTATIC MELANOMA IN DERMIS A: A scanning magnification, the lesion displays intradermal nevus-like features. B: The tumor cells show some evidence of zonation, but they are cytologically atypical. More about this image found in METASTATIC MELANOMA IN DERMIS A: A scanning magnification, the lesion disp...
Images
INFLAMED COMPOUND MELANOCYTIC NEVUS  A rare solitary melanocyte is seen in ...
Published: 01 February 2024
INFLAMED COMPOUND MELANOCYTIC NEVUS Figure 12-18 INFLAMED COMPOUND MELANOCYTIC NEVUS A rare solitary melanocyte is seen in the spinous cell layer (arrow) underneath a mound of parakeratosis. The melanocyte shows bland cytologic features. More about this image found in INFLAMED COMPOUND MELANOCYTIC NEVUS A rare solitary melanocyte is seen in ...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 19
Published: 01 February 2024
10.55418/9781933477428-06
ISBN-10: 1-933477-42-3
ISBN: 978-1-933477-42-8
... overlying an inflamed scar. B: Close up of inset shows melanocytes at the dermoepidermal junction above the scar displaying architectural disorder and atypia. PERSISTENT MELANOCYTIC NEVUS Figure 6-2 PERSISTENT MELANOCYTIC NEVUS There is a pigmented proliferation of solitary units and nests of varying...