Lumps and masses Flashcards
(19 cards)
Ganglion
Fluid filled synovial cyst, typicaly appears on dorsal aspect of wrist.
Hidradenitis suppurativa
Occlusion of ducts in apocrine glands by antigen-antibody complexes. Lead to secondary infection. Most commonly involve axillae, groin, perianal, inframammary folds.
Hypertrophic scar
Excessive collagen deposition at a scar site, caused by tension during the healing wound.
Keloid scar
Firm smooth hard growths, formed after minor injuries due to abnormal healing. More common in dark skinned people.
Lipoma
Benign soft tissue of adipose, slow growing. Soft, smooth, fluctuate, mobile.
Onchocryptosis
Ingrowing toenail
Onychogryphosis
Thickening and curving of toenail
Pyogenic granuloma
Benign vascular lesion, red overgrowth of hemangioma of the skin.
Sebaceous cyst
Acne like lesions due to occlusion of the ducts.
von Recklinghausen’s disease (NF1)
Cafe au lait spots, neurofibromas
Incisional hernia
Breakdown of muscle post surgery
Richter’s hernia
Partial herniation of the bowel wall, lumen not affected
Spigelian hernias
Occur at the lateral edge of the rectus sheath, below umbilical level.
Direct inguinal hernia
Muscle defect within Hesselbach’s triangle.
Hesselbach’s triangle
Lined by: lateral border of rectus, inferior epigastric artery, inguinal ligament
Arterial ulcers
Secondary to peripheral vascular disease. Occurs as deep, punctuated ulcers.
Venous ulcers
Secondary to venous incompetence. Occurs over medial or lateral malleolus and usually in the distribution of saphenous veins.
Neuropathic ulcers
Secondary to sensory neuropathy and pressure sores.
Pyoderma gangrenosum
Inflammatory recurring nodular-pustular ulcers with necrotic edge. Associated with IBD, acute leukaemia, polycythemia rubra vera, autoimmune hepatitis, Wegener’s granulomatosis, myeloma.
