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COMBINED BAP1-INACTIVATED COMPOUND <span class="search-highlight">NEVUS</span> WITH FEATURES OF A DYSPLASTIC <span class="search-highlight">NEVU</span>...
Published: 01 February 2024
COMBINED BAP1-INACTIVATED COMPOUND NEVUS WITH FEATURES OF A DYSPLASTIC NEVUS Figure 10-9 COMBINED BAP1-INACTIVATED COMPOUND NEVUS WITH FEATURES OF A DYSPLASTIC NEVUS A: The compound melanocytic proliferation is predominantly composed of small epithelioid melanocytes (arrows). Junctional nests var... More about this image found in COMBINED BAP1-INACTIVATED COMPOUND NEVUS WITH FEATURES OF A DYSPLASTIC NEVU...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 19
Published: 01 February 2024
10.55418/9781933477428-09
ISBN-10: 1-933477-42-3
ISBN: 978-1-933477-42-8
...Deep penetrating nevus (DPN) typically displays an inverted triangle-like downward architecture. It is composed of pigmented melanocytes with distinctive cytologic features ( Table 9-1 ). Table 9-1 FEATURES OF DEEP PENETRATING NEVUS Clinical Features  Brown or bluish-black...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 19
Published: 01 February 2024
10.55418/9781933477428-18
ISBN-10: 1-933477-42-3
ISBN: 978-1-933477-42-8
...Melanoma may develop in association with a blue nevus or simulate histopathologically the appearance of a blue nevus (blue nevus-like melanoma) ( 1 – 7 ). Such tumors have historically been referred to as “malignant blue nevus” ( 2 ). “Malignant blue tumor” is a better term to avoid...
Images
DEEP PENETRATING <span class="search-highlight">NEVUS</span> ASSOCIATED WITH A CONVENTIONAL <span class="search-highlight">NEVUS</span> (COMBINED <span class="search-highlight">NEVUS</span>...
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...
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
...Combined melanocytic nevi are benign melanocytic proliferations that display two (or more) histopathologic nevus phenotypes within the same clinical lesion. Their relevance lies in the fact that they may both clinically and histopathologically be confused with melanoma. In some combined...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 19
Published: 01 February 2024
10.55418/9781933477428-03
ISBN-10: 1-933477-42-3
ISBN: 978-1-933477-42-8
... in clinical practice. These melanocytic nevi are usually readily recognized clinically and histologically as a benign melanocytic proliferation. Melanocytic nevi are classified histopathologically by which microanatomic compartments of the skin they involve. A junctional melanocytic nevus is limited...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 19
Published: 01 February 2024
10.55418/9781933477428-04
ISBN-10: 1-933477-42-3
ISBN: 978-1-933477-42-8
...The melanocytic nevus commonly referred to as dysplastic is a fairly common acquired lesion with clinical and pathologic features intermediate between an ordinary nevus and superficial spreading melanoma. Other terms for this nevus include melanocytic nevus with architectural disorder...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 19
Published: 01 February 2024
10.55418/9781933477428-07
ISBN-10: 1-933477-42-3
ISBN: 978-1-933477-42-8
... as “juvenile melanoma” ( 2 – 4 ) can be distinguished from conventional melanoma by histopathologic criteria and accepted as benign melanocytic proliferations, for which the term Spitz nevus was proposed ( 4 – 9 ). It was also recognized that Spitz nevi can occur in adults ( 5 ). There has remained...
Images
NONSURGICALLY TRAUMATIZED MELANOCYTIC <span class="search-highlight">NEVUS</span> (NO RECOLLECTION OR DOCUMENTATI...
Published: 01 February 2024
NONSURGICALLY TRAUMATIZED MELANOCYTIC NEVUS (NO RECOLLECTION OR DOCUMENTATION OF PRIOR BIOPSY) Figure 6-8 NONSURGICALLY TRAUMATIZED MELANOCYTIC NEVUS (NO RECOLLECTION OR DOCUMENTATION OF PRIOR BIOPSY) A: A compound melanocytic nevus with a trizonal pattern is characterized by architectural disord... More about this image found in NONSURGICALLY TRAUMATIZED MELANOCYTIC NEVUS (NO RECOLLECTION OR DOCUMENTATI...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 19
Published: 01 February 2024
10.55418/9781933477428-08
ISBN-10: 1-933477-42-3
ISBN: 978-1-933477-42-8
...Blue nevus (BN) and dermal melanocytosis share clinical, histopathologic, immunohistochemical, and molecular features ( 1 , 2 ). Clinically, most lesions are characterized by bluish discoloration. Histologically, there is an intrastromal proliferation of slender fusiform...
Images
MELANOMA ASSOCIATED WITH A PLAQUE BLUE <span class="search-highlight">NEVUS</span>  A: Large, heavily pigmented t...
Published: 01 February 2024
MELANOMA ASSOCIATED WITH A PLAQUE BLUE NEVUS Figure 18-3 MELANOMA ASSOCIATED WITH A PLAQUE BLUE NEVUS A: Large, heavily pigmented tumor is composed of spindle and epithelioid melanocytes with areas of necrosis. B: Cytology of the tumor cells. C: The melanoma nodule (*) is located near a cellula... More about this image found in MELANOMA ASSOCIATED WITH A PLAQUE BLUE NEVUS A: Large, heavily pigmented t...
Images
COMBINED NEUROTIZED <span class="search-highlight">NEVUS</span>  This biphenotypic congenital <span class="search-highlight">nevus</span> 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
SCALP <span class="search-highlight">NEVUS</span>  A: The compound <span class="search-highlight">nevus</span> displays plaque-like growth and has a ju...
Published: 01 February 2024
SCALP NEVUS Figure 5-9 SCALP NEVUS A: The compound nevus displays plaque-like growth and has a junctional shoulder. B: It contains areas displaying features of a dysplastic nevus with fusion of nests, random atypia, and stromal fibrosis. More about this image found in SCALP NEVUS A: The compound nevus displays plaque-like growth and has a ju...
Images
INFLAMED DYSPLASTIC <span class="search-highlight">NEVUS</span>  The compound <span class="search-highlight">nevus</span> displays features of a dyspla...
Published: 01 February 2024
INFLAMED DYSPLASTIC NEVUS Figure 4-6 INFLAMED DYSPLASTIC NEVUS The compound nevus displays features of a dysplastic nevus (e.g., fusion of junctional nests) and is associated with a dense band-like lymphocytic infiltrate involving the dermoepidermal junction and superficial dermis. More about this image found in INFLAMED DYSPLASTIC NEVUS The compound nevus displays features of a dyspla...
Images
COMBINED <span class="search-highlight">NEVUS</span>  A: Congenital <span class="search-highlight">nevus</span> with “satellite” lesions, one of which ...
Published: 01 February 2024
COMBINED NEVUS Figure 10-1 COMBINED NEVUS A: Congenital nevus with “satellite” lesions, one of which has become darker (arrow). B: The dark papule (arrow) shows bluish discoloration. C: Dermoscopy of the nevus and separate dark papule (arrow). More about this image found in COMBINED NEVUS A: Congenital nevus with “satellite” lesions, one of which ...
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
... MELANOCYTIC NEVI Recurrent/Persistent Melanocytic Nevi after Surgery Definition.  Persistent nevi are benign melanocytic proliferations at the site of a prior partial biopsy or incomplete surgical removal. Although persistent nevus is the more precise term, the term recurrent nevus...
Images
COMBINED INVERTED TYPE A <span class="search-highlight">NEVUS</span>  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
<span class="search-highlight">NEVUS</span> CHANGING UNDER BRAF INHIBITOR THERAPY  A: The <span class="search-highlight">nevus</span> shows 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
COMBINED BLUE <span class="search-highlight">NEVUS</span>  A: Intradermal melanocytic <span class="search-highlight">nevus</span> 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 <span class="search-highlight">NEVUS</span>  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...