To our knowledge, a spitz nevus with multiple satellite lesions has not been reported. Spitz nevi are melanocytic proliferations characterized by spindled andor. It also may be called a nevus, spitz lesion, juvenile melanoma, benign juvenile melanoma, or spindle and epithelioid cell nevus of reed. Nevus spilus speckled lentiginous nevus, naevus sur naevus are you confident of the diagnosis. Started in 1995, this collection now contains 6767 interlinked topic pages divided into a tree of 31 specialty books and 732 chapters. Two additional atypical pediatric spitz nevi were obtained from the pathology files of duke.
All structured data from the file and property namespaces is available under the creative commons cc0 license. A spitz nevus can look very much a like a serious kind of skin. Clinical, histopathologic and genomic features of spitz. The term melanoma is used because the clinical and histologic appearance is similar to melanoma. These lesions are termed atypical spitz nevitumors and there is.
Currently, there are no immunohistochemical markers or molecular biology techniques that can be used to make an entirely safe diagnosis of spitz nevus or melanoma in problematic cases. Spitzoid melanoma of skin may occur in a previously benign mole. This lesion is typically a rapidly growing pink nodule, but the lesion can sometimes be pigmented. Dermoscopedia is the online resource for dermoscopy and is provided by the international dermoscopy society.
A spitz naevus or spitzs nevus is an uncommon type of mole melanocytic naevus. Epidermal nevi are typically seen at birth or develop in early childhood. A 1cm raised red domeshaped nodule that suddenly appeared on the shoulder of a child. It most often occurs on the face, scalp or legs of preadolescent children. Bd, they appear as pink to red, welldemarcated, domeshaped papules that can be ulcerated. Considering the differential diagnoses being atypical spitz nevus versus spitzoid melanoma, fluorescent in situ hybridization fish was performed with a negative result.
A, classical spitz nevi most frequently occur on the face. Family practice notebook 2020, family practice notebook, llc. There are several types of epidermal nevus that are defined in part by the type of epidermal cell. However, it may resemble a malignant melanoma clinically and microscopically, so spitz naevi are often excised as a precaution. Nevus or nevi if multiple is a nonspecific medical term for a visible, circumscribed, chronic lesion of the skin or mucosa. Spitz nevus is an acquired melanocytic lesion, which generally develops in children and adolescents, although it is not rare in adults. The final histopathologic diagnosis was spitz nevus in 6 19% cases, atypical spitz tumor in 22 cases 69%, and spitzoid melanoma in 4 cases 12%. Patients should address specific medical concerns with their physicians. The cases reported in the present study were retrieved from the pathology files of the university of graz in austria and of the. It is a group of nevus cells in the layers of the skin. The intradermal pattern displays maturation, with singlefile or singleunit arrays. Jul 26, 2017 a spitz nevus is a rare type of skin mole that usually affects young people and children. Pdf spitz and reed nevi, also called spindle andor epithelioid cell nevi, are. It is classically believed to be benign, and conservatively.
The name juvenile melanoma is generally no longer used as it is neither a melanoma, nor does it occur only in children. A spitz naevus or spitz s nevus is an uncommon type of mole melanocytic naevus. They usually develop on the face or limbs of young children. Typically, a spitz nevus is a solitary pink papule but some can be heavily pigmented with a very black appearance. Affected individuals have one or more nevi that vary in size. Whats more, these nevi are not always easily distinguished from melanoma even by expert dermatopathologists. This paper reports a case of spitz nevus with multiple satellite lesions on the abdomen of a 19yearold korean woman. Clinicalgreyblue sometimes black colored patch or papula. A type of melanocytic nevus, it affects the epidermis and dermis it is also known as an epithelioid and spindlecell nevus, and misleadingly as a benign juvenile melanoma. The intradermal pattern displays maturation, with singlefile or single unit arrays. Spitzoid melanomas were distinguished from atypical spitz tumors by histopathologic features including increased nuclear pleomorphism, the presence of epidermal consumption, lack of maturation. It was first described in 1948 but great controversy still remains today.
Jan 15, 2019 spitzoid melanoma of skin may occur in a previously benign mole. Spitz nevus genetic and rare diseases information center. A spitz nevus is a rare type of skin mole that usually affects young people and children. Although access to this page is not restricted, the information found here is intended for use by medical providers. Followup information of the patients was unavailable. This page was last edited on 22 october 2018, at 15.
In the past, spitz nevi were called benign juvenile melanoma. The tumor appears as a regularlyshaped papule or nodule. Spitz naevus may pose great diagnostic difficulty due to clinical, dermatoscopic and histologic features resembling melanoma. Although it can look like a serious form of skin cancer called melanoma, a spitz nevus lesion isnt. Conversely, many examples of melanoma contain relatively small, monomorphous melanocytes. Dermatological examination of the patient was performed and a pigmented lesion was found on the inner surface of the labium majus of the mucosa. Theoretically, a spitz nevus does not removing because it is a benign grown like other moles. Spitz nevus is a benign melnocytic lesion with many histologic similarities to malignant melanoma. Jun 11, 2010 spitz nevus is an acquired melanocytic lesion, which generally develops in children and adolescents, although it is not rare in adults. The spitz nevus is a benign melanocytic lesion with clinical and histopathological features similar to those of melanoma. Spitz nevus of the genital mucosa tspace repository. A spitz nevus also known as epithelioid and spindlecell nevus, benign juvenile melanoma, and spitzs juvenile melanoma is a benign melanocytic nevus, with specific clinical. Becker nevus syndrome is a phenotype characterized by the fundamental presence of beckers nevus with ipsilateral hypoplasia of the breast or other skin, skeletal.
Revised british group dysplastic nevus syndrome score. Common terms, including mole, birthmark, and beauty mark, are used to describe nevi, but these terms do not distinguish specific. Spitz nevi can be very difficult to distinguish from melanoma, as a result treatment tends to involve excision of the nevi. Commonly it is localized on the head, back, hands and legs with size to 1 cm. This is a pdf file of an unedited manuscript that has been. Objectiveto achieve a clinicopathologic classification of spitz nevi by comparing their clinical. Nevus spilus speckled lentiginous nevus, naevus sur. We herein report an 11yearold girl who came to our clinic with a swelling on the genital area of 2 months duration. Occasionally, spitz nevi arise in clusters of multiple lesions called agminated spitz nevi.
Spitz nevus, or benign juvenile melanoma, is most common in children, but does appear in adults. They are hairless, red to reddishpink, domeshaped papules or nodules with. Spitzs nevus is an example of a melanocytic neoplasm with the most consistently pleomorphic cytology, yet spitzs nevus is a benign neoplasm. They tend to grow quickly initially, but then stabilize or even disappear after a period of time. This name is no longer used since melanoma is a type of skin cancer and. Spitz nevus, acral nevus, acral lentiginous melanoma, immunohistochemistry, p16, p21. Files are available under licenses specified on their description page. Jun 02, 2011 spitz nevus are noncancerous skin lesions that tend to be domeshaped, red, reddishbrown or dark colored. Spitz nevus is an infrequent, usually acquired melanocytic nevus composed of epithelioid andor spindle melanocytes that can occasionally be confused with melanoma.
Oct 09, 2014 spitz nevus are rare, benign moles that closely resemble melanoma. The lesion was well circumscribed and approximately 1 cm in diameter, with homogenous color distribution. Abstract the blue nevus is an abnormal collection of functioning dermal melanocytes and melanin. The typical or classic lesion is a pink papule or nodule, which appears suddenly and grows rapidly for a few months. Nevus in spanish, translation, englishspanish dictionary. Spitz nevi are most often found in children but adults account for of all cases. Melanoma can have similar features to both classic and atypical spitz nevi and must be ruled. A retrospective study has been carried out that included all the cases diagnosed as spitz nevus from our files.
A case of spitz nevus with multiple satellite lesions. However, it is often difficult for a clinician to be certain that the condition is a spitz nevus. Characteristic findings on physical examination a nevus spilus ns or speckled lentiginous nevus sln typically presents before the age of 2 as a light brown macule or patch containing smaller, more darkly pigmented macules or papules within the borders figure 1. Spitz nevus are rare, benign moles that closely resemble melanoma. Though usually seen in children, spitz naevi may arise in adults. Aug 14, 2019 spitz nevus, spitz tumor, and spitzoid melanoma.
F, g, dense blueblack pigmentation is characteristic of the pigmented spindle cell nevus of reed, which some consider a variant of spitz. Pdf a conjunctival spitz nevus is a very rare, benign melanocytic lesion, which can be mistaken for a. Children and occasionally adults can develop a melanotic neoplasm called a spitz nevus, named for sophie spitz, a pathologist. There is a pigmented variant the majority of spitz naevi are compound or. Spitz nevus are noncancerous skin lesions that tend to be domeshaped, red, reddishbrown or dark colored.1610 71 1101 191 828 461 783 1108 142 604 1085 529 847 384 1007 3 1257 1477 533 1423 1071 1099 223 175 395 1582 506 1321 667 862 790 1317 896 731 641 1539 1416 599 595 1336 1287 754 184 519 1353 357