Pathology Outlines - Bone & joints
General: anatomy-bone & joints biopsy bone formation and growth books grossing, frozen section & features to report histology-bone histology-joints staging WHO classification. Developmental abnormalities: bone island fibrodysplasia ossificans progressiva skeletal dysplasias. Osteomyelitis: bacterial osteomyelitis (acute) chronic osteomyelitis ...
Pathology Outlines - Osteoma, NOS
Aug 3, 2021 · Epidemiology. Incidence: Accounts for 0.03% of biopsied primary bone tumors. Paranasal sinus osteoma: 3 - 6.4% of CT scans performed for sinus conditions (Acta Otolaryngol 2015;135:602) Present in 80% with Gardner syndrome. Age: fourth through sixth decades. Sex: M …
Pathology Outlines - Anatomy & histology-male urethra
Jul 20, 2023 · Penile (spongy) urethra Extends through the penis to the urethral meatus opening in the glans (15 cm) (Ross: Histology - A Text and Atlas, 7th Edition, 2015, Bostwick: Urologic Surgical Pathology, 3rd Edition, 2014) Divided into 3 regions
Pathology Outlines - Osteoblasts
Dec 13, 2021 · Accessed October 20th, 2024. Definition / general. Bone forming cell that arises from marrow mesenchymal (stromal) cells, unlike osteoclasts which are of hematopoietic origin. Along endosteal surface of bony trabeculae or along margins in marrow smears. Common in children; in adults associated with various diseases and healing biopsy sites.
Pathology Outlines - Osteochondroma
Bizarre parosteal osteochondromatous proliferation (Nora lesion): Disorganized growth of bone and cartilage with characteristic blue bone. Typically located in the distal extremities (J Orthop 2018;15:138) Florid reactive periostitis: Mixture of reactive woven bone and fibrous tissue without zonation. Typically arises in the periosteum of fingers.
Pathology Outlines - White sponge nevus
Mar 1, 2013 · Definition / general. Not a melanocytic entity; benign keratinization defect leading to white plaques on mucosa. Primarily affects nonkeratinized stratified squamous epithelium. First described by Cannon in 1935 (Arch Dermatol Syphilol 1935;31:365)
Pathology Outlines - Anatomy & histology-penis
Jul 31, 2020 · Corpora cavernosa: 2 lateral masses of erectile tissue that form the bulk of penis; posterior portions are called crura and connect to pubic arch. Corpus spongiosum: Median ventral mass of erectile tissue. Contains most of urethra. Male urethra: see Anatomy & histology-male urethra. Distal penis. Glans:
Pathology Outlines - Medullary sponge kidney
Dec 1, 2011 · Definition / general. Sporadic cystic disease characterized by bilateral cystic dilations of medullary collecting ducts; normal cortex. Epidemiology. 1 per 5000 births; no gender preference; not familial. Associated with hemihypertrophy of body (25% of cases), Marfan's, Caroli's and Ehlers-Danlos.
Pathology Outlines - Brown tumor
Dec 14, 2021 · Accessed October 23rd, 2024. Definition / general. Metabolic bone disease. Manifestation of hyperparathyroidism. Caused by increased osteoclastic activity and fibroblastic proliferation. The term brown tumor derives from the color, which is caused by the vascularity, hemorrhage and deposits of hemosiderin.
Pathology Outlines - Osteoradionecrosis
Dec 1, 2014 · The medullary cavity (medulla, innermost part) of bone is the central cavity where red bone marrow or yellow bone marrow (adipose tissue) is stored; hence, the medullary cavity is also known as the marrow cavity The medullary cavity has walls composed of spongy bone (cancellous bone) and is lined by endosteum, which are osteoprogenitor cells