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Apocrine naevus:  Pure apocrine nevus is a rare tumour. 

Site: Upper chest and axilla. 

Microscopic features:  Consists of numerous apocrine glands extending from the reticular layer of the dermis to the subcutaneous tissue.

The term 'eccrine hamartomas' is used to include a wide range of nevoid condition involving the eccrine sweat glands.

Eccrine naevus:  These are rare benign lesions characterised by an increase in number and size of normal appearing eccrine coils.

Eccrine angiomatous hamartoma:  There is an increase in eccrine glands together with small blood vessels, nerve fibres, mucin or fat.  Clinical presentation:  Gradually enlarging painful papule or nodule that may show hyperhidrosis.  Gross:   Usually solitary flesh-colored or bluish-purple,  painful papule or plaque appearing at birth or during childhood. Site:  Usually located on the extremities.

Porokeratotic eccrine ostial nevus: There are cornoid lamellae associated with eccrine ducts.

Abstracts:

Eccrine angiomatous hamartoma with massive mucin deposition.Eur J Dermatol. 2005;15(4):291-2.

A case of porokeratotic eccrine ostial and dermal duct naevus of late onset.J Eur Acad Dermatol Venereol. 2004;18(5):619-21.

Eccrine nevus.J Am Acad Dermatol. 2004 Aug;51(2):301-4.

Mucinous eccrine nevus.J Dermatol. 2004;31(8):687-9.

Porokeratotic eccrine ostial and dermal duct naevus (PEODDN).J Dtsch Dermatol Ges. 2003 Oct;1(10):797-800.

Eccrine angiomatous hamartoma: a case report and review of the literature.Cutis. 2003;71(6):449-55.

Eccrine angiomatous hamartoma: an atypical case.Ann Dermatol Venereol. 2003;130(3):337-9.

Late-onset eccrine angiomatous hamartoma: clinical, histological and imaging findings.Dermatology. 2001;203(1):70-4.

Eccrine angiomatous hamartoma: a report of symmetric and painful lesions of the wrists. Pediatr Dermatol. 2001;18(2) :117-9.

Porokeratotic eccrine ostial and dermal duct nevus: a case report and review of the literature. J Am Acad Dermatol. 2000;43(2 Pt 2):364-7.

Eccrine angiomatous hamartoma.J Dermatol Surg Oncol. 1994; 20(12):837-8.

Eccrine angiomatous hamartoma (nevus): immunohistochemical findings and review of the literature.J Cutan Pathol. 1994;21(1):71-5.

Apocrine nevus: light microscopic, immunohistochemical and ultrastructural studies of a case. J Cutan Pathol. 1993;20(1):79-83.

Pure apocrine nevus. A study of light-microscopic and immunohistochemical features of a rare tumor. Am J Dermatopathol. 1991 (1):71-6.

Soft Tissue Pathology; Myxoid Tumours of Soft Tissue ;  Classification of Soft Tissue Tumour;  Gross examination of soft tissue specimen ;  A practical approach to histopathological reporting of soft tissue tumours ;  Grading of soft tissue tumours ; Lipomatous tumours ;Neural tumours ; Myogenic tumours ;Vascular tumours Fibroblastic/Myofibroblastic tumours ; Myofibroblastic tumours ; Fibrohistiocytic tumours ; ChondroOsseous tumours ; Soft TissueTumours of Uncertain Differentiation ; Notochordal Tumour -Chordoma ;Extra-adrenal Paraganglioma ; Gastrointestinal Stromal Tumour ;