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Telocytes of the mammary gland stroma

100%

Petre N., Rusu M. C., Pop F., Jianu A. M.

Folia Morphologica

2016

tom 75

nr 2

Although confusions persist in what concerns the terminologies used for describing the fibroblastoid cells of the stromal compartments, the expression of antigens in such cells gradually directs their diagnosis towards a stem/progenitor phenotype. The stromal cells with long, slender and moniliform prolongations were named “telocytes” (TCs), their cell processes being termed “telopodes”. However, the mammary gland TCs were not evaluated for the CD34 expression. Thus an in vivo immunohistochemical study was designed; antibodies against CD10, CD34, CD117/c-kit and vimentin were applied on human mammary gland samples of 8 donor patients. Resident CD34-positive stromal cells positive for the TCs morphology were found building consistent stromal networks and ensheathing microvessels and excretory units. Such cells were CD10±/c-kit-/vimentin+. According to the current concepts regarding the in vivo stem/progenitor cells the CD34+ TCs of the mammary stroma could be actors in the mammary stem niche and their antigens expression could relate to different stages of differentiation. (Folia Morphol 2016; 75, 2: 224–231)

An unusual case of unilateral supernumerary extensor carpi radialis muscle

88%

Grigorita L., Gug C., Vaida M. A., Jianu A. M., Damen N. S.

Folia Morphologica

2019

tom 78

nr 4

An uncommon anatomical variant of muscle that can be considered as a supernumerary extensor carpi radialis muscle was found during the dissection of the forearm region. The identified extensor carpi radialis muscle has origin on the lateral supraepicondylar ridge of the humerus, and an unusual insertion on the tubercle of the scaphoid bone. The presence of this supernumerary muscle may cause diagnostic errors in the forearm region, and can produce a debilitating pain syndrome by secondary compression of adjacent nerves, vessels or tendons due to its course along the anterior compartment of the forearm. (Folia Morphol 2019; 78; 4: 888–892)

Ograniczanie wyników

2 Folia Morphologica

2 Jianu A. M.

1 Damen N. S.

1 Grigorita L.

1 Gug C.

1 Petre N.

1 Pop F.

1 Rusu M. C.

1 Vaida M. A.

1 2019

1 2016

Wyniki wyszukiwania

Telocytes of the mammary gland stroma

An unusual case of unilateral supernumerary extensor carpi radialis muscle