Slides of benign mesenchymal t.

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FibromaFibroma OriginOrigin:: arise from fibrous tissue.arise from fibrous tissue. Sites:Sites: Subcutaneous tissues, intermuscular Subcutaneous tissues, intermuscular

septa, submucosa,ovary.septa, submucosa,ovary. GrosslyGrossly:: capsulated, oval, soft to hard and capsulated, oval, soft to hard and

grayish white.grayish white. MicroscopicallyMicroscopically:: bundles of mature fibroblasts, bundles of mature fibroblasts,

collagenous tissue, and few capillaries. If excess collagenous tissue, and few capillaries. If excess collagencollagenhard fibroma,if excess fibroblastshard fibroma,if excess fibroblastssoft fibroma. soft fibroma.

Types:Types: -Pure fibroma.-Pure fibroma.

-Mixed fibroma, with glands-Mixed fibroma, with glandsfibroadenoma, with fibroadenoma, with musclesmuscles fibromyoma fibromyoma. +fat. +fat Fibroilpoma Fibroilpoma

Fibroma of ovaryFibroma of ovary

FibromaFibroma

Fibroma

Fibromyoma Fibromyoma (Leiomyoma)(Leiomyoma) Origin:Origin: from smooth muscles.from smooth muscles. SitesSites:: uterus is the most common, uterus is the most common,

GIT, bladder.GIT, bladder. Grossly:Grossly: single or multiple, rounded, single or multiple, rounded,

firm and pale brown. C.S whorled firm and pale brown. C.S whorled pattern, non capsulated.pattern, non capsulated.

MicroscopicallyMicroscopically:: interlacing interlacing bundles of smooth muscle fibers bundles of smooth muscle fibers separated by fibrovascular sytroma.separated by fibrovascular sytroma.

FibromyomaFibromyoma ((Leiomyoma)Leiomyoma)

1.Section in tumour tissue.1.Section in tumour tissue. 2.Tumour is noncapsulated.2.Tumour is noncapsulated. 3.Tumour consists of interlacing 3.Tumour consists of interlacing

bundles of fusiform cells with bundles of fusiform cells with fusiform nuclei with rounded ends.fusiform nuclei with rounded ends.

4.No hemorrhage.4.No hemorrhage. 5.No necrosis.5.No necrosis.

Leiomyoma of uterusLeiomyoma of uterus

Leiomyomata of uterusLeiomyomata of uterus

FibromyomaFibromyoma Leiomyoma

Leiomyoma

Fibromyoma Fibromyoma (Leiomyoma)(Leiomyoma)

LipomaLipomaOriginOrigin:: from fatty tisuesfrom fatty tisues.. SitesSites:: S.C. of the arm, back, submucosa and S.C. of the arm, back, submucosa and

retroperitoneumretroperitoneum..GrosslyGrossly:: Capsulated, round or oval, lobulated soft and Capsulated, round or oval, lobulated soft and

yellow.yellow.MicroscopicallyMicroscopically:: Lobules of mature fat cells with vacuolated Lobules of mature fat cells with vacuolated

cytoplasm and small nuclei , separated by cytoplasm and small nuclei , separated by vascularized connective tissue septa and vascularized connective tissue septa and covered by thin fibrous capsule.covered by thin fibrous capsule.

LipomaLipoma

LipomaLipoma

Lipoma

Lipoma

Lipoma

ChondromaChondroma

Origin:Origin: from cartilage.from cartilage. Sites:Sites: Short bones (Fingers) and flat Short bones (Fingers) and flat

bones.bones. GrosslyGrossly:: Capsulated, rounded or oval, Capsulated, rounded or oval,

lobulated hard, bluish, solitary or lobulated hard, bluish, solitary or multiple.multiple.

MicroscopicallyMicroscopically: : composed of lobules composed of lobules of cartilage (clear) cells with central nclei, of cartilage (clear) cells with central nclei, pale blue hyaline matrix and pale blue hyaline matrix and fibrovascular septa.fibrovascular septa.

Chondroma

Chondroma

HaemangiomaHaemangioma

* Origin: Malformed blood vessels.* Origin: Malformed blood vessels.

* Tumour is noncapsulated.* Tumour is noncapsulated.• Tumor consists of Tumor consists of VaVascular spacesscular spaces

lined with flattened endothelial cells. lined with flattened endothelial cells. Spaces are filled with blood Spaces are Spaces are filled with blood Spaces are separated by separated by connective tissue stromaconnective tissue stroma..

• Types:Types: 1-Capillay H1-Capillay H. (small B.Vessels). (small B.Vessels)• 2-Cavernous H2-Cavernous H. (large B.V.). (large B.V.)

Haemangioma of legHaemangioma of leg

Haemangioma of faceHaemangioma of face

HaemangiomaHaemangioma

HaemangiomaHaemangioma