hibernoma

Related to hibernoma: lipoma, lipoblastoma

hibernoma

[hi″ber-no´mah]

a rare benign tumor made up of large polyhedral cells with a coarsely granular cytoplasm, occurring on the back or around the hips.

hi·ber·no·ma

(hī'bĕr-nō'mă),

A rare type of benign neoplasm in humans, consisting of brown fat that resembles the fat in certain hibernating animals; individual tumor cells contain multiple lipid droplets.
See also: brown fat.

[L. hibernus, pertaining to winter, + G. -ōma, tumor]

hibernoma

/hi·ber·no·ma/ (-no´mah) a rare, benign, soft tissue tumor arising from vestiges of brown fat resembling that in certain hibernating animal species; it is a small, lobulated, nontender lesion usually occurring on the mediastinum or intrascapular region.

hibernoma

[hī′bərnō′mə] pl. hibernomas, hibernomata

Etymology: L, hibernus, winter; Gk, oma, tumor

a benign tumor, usually on the hips or the back, composed of fat cells that are partly or entirely of fetal origin. Also called fat cell lipoma, fetal lipoma.

hi·ber·no·ma

(hī'bĕr-nō'mă)

A rare benign neoplasm consisting of brown fat that resembles the fat in hibernating animals.

[L. hibernus, pertaining to winter, + G. -ōma, tumor]

hibernoma

a rare benign subcutaneous tumor made up of large foamy polyhedral cells distended with multiple lipoid-filled vacuoles. A fetal fat cell lipoma.

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References in periodicals archive ?

Microscopically, the CT-guided biopsy showed multivacuolated and granular eosinophilic cells with small centrally located nuclei consistent with hibernoma.

In 2004, only the fourth mediastinal hibernoma was reported in the world literature [3].

Mediastinal Hibernoma: A Rare Case with Radiologic-Pathologic Correlation

El Hibernoma es un tumor derivado de vestigios del tejido adiposo pardo fetal, este tipo de tejido es una forma especializada de grasa, encontrada en los animales de hibernacion, representa aproximadamente el 1% del total de grasa corporal en el adulto.

Hibernoma dorsal gigante. Presentacion de caso

Only 18 cases of cervical hibernoma have been reported to our knowledge in the literature 7.

HIBERNOMA OF THE NECK: A CASE REPORT

3) In 1914, the actual term hibernoma was coined when Gery recognized a histologic resemblance between these tumors and the brown fat identified in hibernating animals.

Hibernoma: a case series with multimodality imaging and pathologic correlation

Hibernomas, tumors of brown fat, show a mixture of red-brown and yellow colors.

Human Colors--The Rainbow Garden of Pathology: What Gives Normal and Pathologic Tissues Their Color?

Most Hibernoma cases, including mammary hibernomas, usually present as an asymptomatic, painless, slowly growing mass.

Mammary Hibernoma: A Rare Entity

Hibernomas have large cells with eosinophilic cytoplasm and central nuclei with no prominent nucleoli.

Alveolar Soft Part Sarcoma

Caution must be exercised in the interpretation of lipoblast- or chondroblast-like cells in chondromyxoid matrix because similar findings may be seen in myxoid liposarcoma, extraskeletal myxoid chondrosarcoma, extraskeletal chondroma, and hibernoma.

Diagnosis of Chondroid Lipoma by Fine-Needle Aspiration Biopsy

Both sporadic and familiar OS predispose the inactivation of p53 and pRb play a key role in development of OS and other tumours such as neuroendocrine tumours, and hibernomas (53,91)

The role of animal models in determining the genetic bases of osteosarcoma

Much rarer possibilities include lipomas, liposarcomas, and hibernomas.

Management of head and neck paragangliomas: a series of 9 cases and review of the literature

2] "Mulberry cells" of hibernomas may appear similar to the cells seen in our tissue biopsy, but hibernomas have S100-positive cytoplasmic rimming, clear lipid droplets, and present less commonly in the retroperitoneum.