Elastofibroma dorsi. Cytologic, histologic, immunohistochemical and ultrastructural studies.
Cytologic, light and electron microscopic, and immunohistochemical studies were conducted on a case of elastofibroma. Aspiration cytology showed a characteristic "braidlike" or "fern leaf-like" structure. Immunohistochemically the accumulate was shown to be elastin. Transmission electron microscopy indicated electron-dense, granular aggregates surrounded by microfilaments and collagen, while scanning electron microscopy revealed balls with a ball-of-yarn-like structure consisting of small fibrils, probably of elastin. These structures are unique to this disease and useful for diagnosis.
Nakamura
Y
Y
Department of Pathology, St. Mary's Hospital, Kurume-shi, Japan.
Ohta
Y
Y
Itoh
S
S
Haratake
A
A
Nakano
Y
Y
Umeda
A
A
Shima
H
H
Tomoda
N
N
D001707:Biopsy, Needle; D005260:Female; D005350:Fibroma / Q000473:pathology* / Q000648:ultrastructure; D006801:Humans; D007150:Immunohistochemistry; D008854:Microscopy, Electron; D008855:Microscopy, Electron, Scanning; D008875:Middle Aged; D012540:Scapula; D012983:Soft Tissue Neoplasms / Q000473:pathology* / Q000648:ultrastructure