A few good ones I have managed to seep apart from the mess in January 2013. A long list at once, please be patient.
Basal cell adenoma of parotid
Bronchoalveolar carcinoma
 |
| Butterflies on a fence |
Giant cell tumor of bone.
The giant cells should be numerous and have many nuclei (any criteria?)
Intradermal nevus
Refractory cytopenia - megakaryocyte dysplasia
Megakaryocyte multinucleation. Multinucleation, not multilobation, is dysplasia in megakarycytes.
Sarcoidosis of liver
Hard luck finding an asteroid body.
Dediff chondrosarcoma
However, I am split between mesenchymal and dediff. The transition seems to be sudden enough.
Anaplastic astrocytoma (WHO III)
Which essentially means mitosis.
Basal cell carcinoma.
Ductal carcinoma breast
Carcinoid
Well differentiated neuroendocrine neoplasm WHO I. Found in a Whipple specimen. Grossly very difficult to tell whether arising from pancreas or duodenum.
Fibrous dysplasia skull
Chinese letters.
Juvenile rectal polyp
Cribriform even on gross.
Prostate cancer
Possibly gleason 4
Thalassemic liver
Lots of iron.
Metastatic melanoma lymph node
Phyllodes tumor
Pituitary adenoma
Prostate cancer - perineural invasion
All around the nerve
Sarcoidosis lymph node
Inverted sinonasal papilloma
Thalassemic spleen
Atrophic testis
Thyroid - hurthle cell adenoma
Intermediate trophoblast
PAS stain of colonic mucosa
Apoptotic cell
Apocrine carcinoma breast
Prostate cancer perineurial invasion
Clear cell sarcoma kidney
DCIS cribriform
Ductal hyperplasia breast
Medullary carcinoma thyroid
Langerhans cell histiocytosis
Nodular sclerosis Hodgkin lymphoma
Villos adenoma
Wilms tumor
