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https://www.readbyqxmd.com/read/24619012/primary-adrenal-leiomyosarcoma-case-report-and-review-of-the-literature
#1
REVIEW
Jianguo Wei, Aijing Sun, Jian Tao, Cheng Wang, Fang Liu
Primary adrenal leiomyosarcoma is a very rare tumor with an unusual location; the diagnosis is based entirely on histological and immunohistochemical evaluations. We report a primary adrenal leiomyosarcoma in a 57-year-old woman who was incidentally found to have an adrenal-occupying lesion during a routine medical examination. Computed tomography revealed a 64 mm × 77 mm soft tissue mass in the left adrenal gland. The patient underwent left radical nephroadrenalectomy. Histological examination of the tumor showed malignant spindle cells in interlacing fasicles and whorls...
December 2014: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/18092958/cd34-positive-interstitial-cells-of-the-human-detrusor
#2
Helle Rasmussen, Alastair Hansen, Frank Smedts, Jüri J Rumessen, Thomas Horn
Interstitial cells of Cajal (ICC) are well described in the bowel wall. They are c-kit positive and play a role as pacemaker cells. Similar c-kit-positive cells have recently been described in the human bladder. The aim of this study was to characterize interstitial cells of the bladder detrusor using a panel of antibodies directed against CD117/c-kit, CD34, CD31, S100, tryptase, neurofilament, NSE, Factor-VIII and GFAP. A striking finding was an interstitial type of cell which is CD34 immunoreactive (CD34-ir) but CD117/c-kit negative...
November 2007: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/8874523/tumors-with-smooth-muscle-differentiation
#3
REVIEW
J M Spencer, R A Amonette
BACKGROUND: In the classification of tumors of soft tissue, modern schemes describe tumors by the normal adult tissue type the tumor resembles. Thus, tumors are described as smooth muscle tumors if the cells are differentiating towards smooth muscle. We may infer that in fact the tumor arose from smooth muscle, but this is only an inference. Tumors showing differentiation towards smooth muscle include hamartomas, benign tumors, and malignant tumors. OBJECTIVE: This review article describes the clinical presentation and course, histology, and treatment recommendations for benign and malignant smooth muscle tumors...
September 1996: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/4838799/the-formation-of-synapses-in-regenerating-mammalian-striated-muscle
#4
M R Bennett, T Florin, R Woog
1. A histological and electrophysiological study has been made of the formation of synapses in soleus and extensor digitorum longus muscles of adult rats regenerating from minced muscle fragments.2. In the first 8 days of regeneration, myoblast and myotubes formed within the basement membranes of degenerating myofibres.3. Eleven- to fourteen-day regenerates contained fasicles of myotubes and myofibres and both nerves and spontaneous miniature end-plate potentials (m.e.p.p.s) were observed for the first time, although very few synapses show evoked end-plate potentials (e...
April 1974: Journal of Physiology
https://www.readbyqxmd.com/read/845968/structural-correlates-of-forelimb-function-in-fur-seals-and-sea-lions
#5
A W English
Dissections, manipulation of ligamentary preparations, analysis of limb proportions, and quantitative aspects of forelimb myology are used to correlate forelimb morphology in fur seals and sea lions (sub-family Otariinae) with previously published data as to their locomotor function (English, '76a). Comparisons to structure and function in generalized fissiped carnivores are then used to elucidate locomotor adaptations in fur seals and sea lions. Unique features of forelimb function during swimming in these pinnipeds include the amounts of abduction-adduction and rotary movements used...
March 1977: Journal of Morphology
https://www.readbyqxmd.com/read/647631/leiomyosarcoma-of-the-scrotum-a-case-report-with-electron-microscopy
#6
S Johnson, M Rundell, W Platt
A case of leiomyosarcoma of the scrotum is presented. The tumor measured 3 X 2.5 X 2 cm and had been present as a slowly enlarging mass in the right scrotum for three months prior to excision. Light microscopy demonstrated the typical interlacing fasicles of neoplastic cells with eccentric cigar-shaped nuclei and electron microscopy confirmed the neoplastic cells to be of smooth muscle origin. A review of the world's literature revealed this to be the fifth reported case of leimyosarcoma confined to the scrotal wall...
May 1978: Cancer
https://www.readbyqxmd.com/read/541899/denervated-muscle-rate-of-propagation-and-effects-of-manganese-ions-and-glycerol-on-the-fibrillatory-activity-of-frog-semitendinosus
#7
E López
Denervated frog's semitendinosus muscles were studied. Fibrillation potentials generate propagated spikes which are conducted at a rate similar to that calculated for innervated muscles. The twitch tension per unit area was similar in denervated and innervated single fibres; the average value corresponded with values reported in the literature for fibres stimulated at 125/sec. Manganese ions (1-3 mM), selectively inhibit fibrillation potentials and have no appreciable effect upon evoked spikes. Mn2+ also inhibits (40-50%) the twitch responses and abolishes the resting tension of muscle fibres...
1979: Japanese Journal of Physiology
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