corps ronds

corps ronds

(kōr rōn'),
Dyskeratotic round cells occurring in the epidermis, with a central round basophilic mass surrounded by a clear halo; characteristically found in keratosis follicularis.
[Fr. round bodies]
Degenerated double-contoured dyskeratotic squamous cells with large, round basophilic masses. Corps ronds are surrounded by a clear halo, and are located in the spinous layer of epidermis
DiffDx Corps ronds are found in Darier’s disease, benign familial pemphigus, keratosis follicularis, warty dyskeratoma
References in periodicals archive ?
Histopathology shows suprabasal clefting, acantholysis, and dyskeratosis with appearance of corps ronds and grains.
The histopathological finding, irrespective of clinical presentation, characterized by focal changes of acantholysis and presence of dyskeratotic cells resembling Corps ronds and grains associated with suprabasal clefts around the preserved villi, hyperkeratosis and parakeratosis.
Histology showed hyperkeratosis, parakeratosis with some areas showing intraepidermal vesiculation and acantholysis similar to Hailey-Hailey disease, while other areas were more like Darier's disease showing dyskeratotic cells throughout the epidermis, including Corps ronds and grains.
Acantholytic dyskeratosis occurs as corps ronds, which consists of a central, homogenous, basophilic pyknotic nucleus surrounded by a clear halo.
Two types of dyskeratotic cells are present: corps ronds and grains.
2a & 2b Hyperkeratosis & Corps ronds respectively in Case 1.
a) Peculiar form of dyskeratosis of resulting in formation of corps ronds and grains.
6% patients and corps ronds and grains were seen in 83.

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