Results 221 to 230 of about 25,391 (253)
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International Journal of Gynecological Pathology, 2003
A 36-year-old woman with a long history of amenorrhea underwent endometrial curettage. An aggregate of short spindle cells containing a finely granular, dark brown pigment with the histochemical characteristics of melanin was detected in the endometrial stroma.
Kohji Tsuta +2 more
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A 36-year-old woman with a long history of amenorrhea underwent endometrial curettage. An aggregate of short spindle cells containing a finely granular, dark brown pigment with the histochemical characteristics of melanin was detected in the endometrial stroma.
Kohji Tsuta +2 more
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2007
According to the original description by Tieche [33], to which little can be added, blue nevus is a dermal-based, benign melanocytic lesion histopathologically made up by variable proportions of oval/spindle and bipolar, usually heavily pigmented dendritic cells (G. Ferrara et al., submitted) [37, 40].
Ferrara G., Argenziano G.
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According to the original description by Tieche [33], to which little can be added, blue nevus is a dermal-based, benign melanocytic lesion histopathologically made up by variable proportions of oval/spindle and bipolar, usually heavily pigmented dendritic cells (G. Ferrara et al., submitted) [37, 40].
Ferrara G., Argenziano G.
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Blue Nevus (“cellular” blue nevus)
2004The so called cellular blue nevus is a form of blue nevus which is composed of ovoid, pale, scarcely pigmented, non dendritic cells, while usually having at least a few dendritic, heavily pigmented melanocytes of the “common” form. These pale ovoid cells have a distinct inclination to aggregate in tightly packed round to oval nests. The term “cellular”
Philip E. LeBoit, Guido Massi
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Blue Nevus(“Common” blue nevus)
2004The “common” blue nevus, is a benign neoplasm composed of dendritic melanocytes accompanied by numerous melanophages. The lesion is entirely contained in the dermis, without a junctional component. The common blue nevus constitutes a clinical and morphological continuum with the so called “cellular” blue nevus, discussed in the next chapter.
Guido Massi, Philip E. LeBoit
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Hypopigmented common blue nevus
Journal of Cutaneous Pathology, 1997Blue nevus is a benign pigmented lesion of dermal melanocytes with a number of histologic and clinical variants, of which the major types are the common blue nevus, cellular blue nevus and combined nevus.This study describes 9 cases of hypopigmented blue nevus (HBN), a variant of common blue nevus in which there is minimal identifiable melanin pigment.
B A Wilkinson +3 more
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Archives of Dermatology, 1983 • In two cases of target blue nevi of the foot, both lesions displayed a distinctive concentric pigmentary variation. This correlated histologically with a peripheral alteration of dermal collagen accompanied by a focal regression or differentiation of blue nevus cells. The resulting distinctive target blue nevus can be clinically differentiated from a
Wallace H. Clark +3 more
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Multifocal Blue Nevus of the Conjunctiva
Survey of Ophthalmology, 2008Blue nevus is a congenital benign melanocytic tumor that classically occurs in the skin and carries low potential for malignant transformation. We report an unusual case of widely dispersed multifocal common blue nevus of the conjunctiva simulating conjunctival melanoma.
Ralph C. Eagle +4 more
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Archives of Dermatology, 1961
Because of the appearance and consistency of the lesions, Bean 2 has given the name blue rubber bleb nevus to a variant of hemangioma probably first described by Gascoyen. 6 Although a century has elapsed since the original article appeared, the disorder is still not well recognized.
Robert M. Fine +2 more
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Because of the appearance and consistency of the lesions, Bean 2 has given the name blue rubber bleb nevus to a variant of hemangioma probably first described by Gascoyen. 6 Although a century has elapsed since the original article appeared, the disorder is still not well recognized.
Robert M. Fine +2 more
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‘Atypical’ Blue Nevus – a Benign Variant of Cellular Blue Nevus
Dermatology, 1977Three cases of ‘atypical’ blue nevus presented almost identical histological findings differing from both benign cellular blue nevus and malignant blue nevus or malignant melanoma, and suggesting malignancy. Long-term follow-up – in one case 19 years – indicates that this pigmented tumor is a benign variant of blue nevus.
Elena Kessler, Irina Avidor
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Blue nevus of the colorectal mucosa
Annals of Diagnostic Pathology, 2011The blue nevus is a well-described benign melanocytic proliferation that generally occurs on the skin. Infrequently, blue nevi are found on mucosal surfaces. The most common location for mucosal blue nevi is the oral mucosa, with reported cases in the sinonasal mucosa and genital tract, as well as in other locations.
Z. Jacob Schreiber +2 more
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