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Images
Published: 01 December 2024
COMPLEX OF MYXOMA AND SPOTTY PIGMENTATION Figure 4-22 COMPLEX OF MYXOMA AND SPOTTY PIGMENTATION A: A young girl with multiple pigmented lesions about the mouth. The patient also had a darkly pigmented lesion on the vulva, probably a blue nevus. B: Cutaneous myxoma on the breast of the same patie... More about this image found in COMPLEX OF MYXOMA AND SPOTTY PIGMENTATION A: A young girl with multiple pi...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 21
Published: 01 December 2024
10.55418/9781933477473-04
ISBN-10: 1-933477-47-4
ISBN: 978-1-933477-47-3
... PIGMENTATION Figure 4-22 COMPLEX OF MYXOMA AND SPOTTY PIGMENTATION A: A young girl with multiple pigmented lesions about the mouth. The patient also had a darkly pigmented lesion on the vulva, probably a blue nevus. B: Cutaneous myxoma on the breast of the same patient, who also had a cardiac myxoma...
Images
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...
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...
Images
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
10.55418/9781933477428-03
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...
Images
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
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...
Images
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
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
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
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
10.55418/9781933477428-04
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...
Images
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
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
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
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...
Images
Published: 01 February 2024
NODULAR MELANOMA ASSOCIATED WITH ACQUIRED INTRADERMAL MELANOCYTIC NEVUS Figure 15-5 NODULAR MELANOMA ASSOCIATED WITH ACQUIRED INTRADERMAL MELANOCYTIC NEVUS A: Silhouette of the nodular melanoma (*) with an adjacent small intradermal nevus (arrow). B: Juxtaposition of the dense aggregates of larg... More about this image found in NODULAR MELANOMA ASSOCIATED WITH ACQUIRED INTRADERMAL MELANOCYTIC NEVUS A:...