Archive for April, 2009

Lipoblastoma

No history

Round cell liposarcoma

59 y/o man with a posterior thigh mass

Myxoid liposarcoma

40 y/o woman with a calf mass

Atypical lipomatous tumor

55 y/o woman with a thigh mass

Massive lymphedema

61 y/o woman with a thigh mass

Hibernoma

29 y/o woman with a thigh mass

Chondroid lipoma

33 y/o man with a large thigh mass

Pleomorphic lipoma

65 y/o man with a left arm mass

Spindle cell lipoma

52 y/o man with a superficial upper back mass

Angiolipoma

46 y/o woman with a forearm mass

Malignant peripheral nerve sheath tumor, with rhabdomyoblastic differentiation

No history

Malignant peripheral nerve sheath tumor, arising in a neurofibroma

No history

Perineuroma, sclerosing variant

Soft tissue, excision

Granular cell tumor

No history

Schwannoma, with ancient change

No history

Schwannoma, cellular type

No history

Schwannoma, plexiform type

No history

Schwannoma

No history

Neurofibroma, plexiform type

No history

Neurofibroma, diffuse type

No history

Lipofibromatous hamartoma

No history

Ganglion cyst of peripheral nerve

No history

Chondromyxoid fibroma

No history

Enchondroma

No history

Osteosarcoma, periosteal type

No history

Osteosarcoma, parosteal (juxtacortical) type

No history

Aneurysmal bone cyst (2)

No history

Osteosarcoma, arising in Paget disease of bone

No history

Aggressive osteoblastoma

No history

Ostoid osteoma

No history

Osteoma

No history
Syndrome: Gardner’s Syndrome

Enostosis (bone island)

No history
Syndrome: Autosomal dominant osteopoikilosis

Aneurysmal bone cyst

Giant cell tumor of bone

Myositis ossificans

Malignant peripheral nerve sheath tumor, arising in a plexiform neurofibroma

23 y/o male with an NF1 mutation and intrathoracic masses

Spindle cell lipoma

37 y/o male with a tongue mass

Mucoepidermoid carcinoma, eosinophilic variant

62 y/o M with left parotid tumor

Nasal glioma

21 day old male with right nasal mass

Lymphangiectatic fibrous polyp

20 yo F with right tonsillar mass

Respiratory epithelial adenomatoid hamartoma

50 yo M with polypoid lesion within the nasal cavity

Squamous cell carcinoma, at least in situ, with fungal superinfection

60 yo male with 18 month ST lesion on ventral surface of tongue

Chondrodermatitis nodularis helicis

Microscopic features

Peripheral giant cell granuloma

46 F, right mandible, gingival nodule

Granular cell tumor w/ pseudoepitheliomatous hyperplasia (excision)

This slide is part 2 of 2 in the series Granular cell tumor

46 y/o female, lifetime smoker, with left tongue swelling

Granular cell tumor w/ pseudoepitheliomatous hyperplasia (biopsy)

This slide is part 1 of 2 in the series Granular cell tumor

46 y/o female, lifetime smoker, with left tongue swelling

Embryonal rhabdomyosarcoma

13 M, left parotid mass

Sinonasal adenocarcinoma, low grade, non-intestinal type

58 yo F with maxillary sinus mass

Polymorphous low grade adenocarcinoma

85 y/o F with 1.2 cm palate mass

Epithelial/myoepithelial carcinoma

70 y/o male with a 5 cm parotid mass